Science and Invention (1920-1931 Experimenter Publishing) comic books

Aug. 1920. Edited by Hugo Gernsback. Cover by Howard Brown. Articles include "Fireless Fireworks," "Man-Made Rubies," "Electricity from Water Power" and much more. Heavily illustrated with artwork and photographs. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

Sept. 1920. Edited by Hugo Gernsback. Articles include "Moving Platforms for Street Crossing," "Airplane of the Future," "How Do We Taste?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 120 pages, B&W. Cover price $0.25.

Volume 8, Issue 6 (Whole Number 90) - October, 1920. 8" x 11.5", 130 pages, B&W. Cover price $0.25.

Dec. 1920. Edited by Hugo Gernsback. Articles include "Einstein and the Fourth Dimension," "The Submarine Gun," "Landing Lakes for Aircraft" and much more. Profusely illustrated. 8 1/4-in. x 11 1/2-in., 120 pages, B&W. Cover price $0.25.

Jan. 1921. Edited by Hugo Gernsback. Cover by Howard Brown. General interest science magazine. 8 1/2-in. x 11 1/2-in., 102 pages, B&W. Cover price $0.25.

Feb. 1921. Edited by Hugo Gernsback. Cover by Howard Brown. Articles include "A Floating City," "Is Electrocution Humane?," "The Sun's Unknown Rays" and much more. Heavily illustrated. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

Mar. 1921. Edited by Hugo Gernsback. Articles include "Electrical Power from Tidal Energy," "Anatomy of Crystals," "Why We Grow Bald" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 112 pages, B&W. Cover price $0.25.

April 1921. Edited by Hugo Gernsback. Magazine of science and technology, both fanciful and real. Cover feature "Flying in Space" by Hugo Gernback. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Volume 9, Issue 2 - June, 1921. 8" x 11.5", 100 pages, B&W. Cover price $0.25.

Volume 9, Issue 3 - July, 1921. Edited by Hugo Gernsback. General interest science magazine featuring short articles, profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Aug. 1921. Edited by Hugo Gernsback. Articles include "How Insects Hear and Smell," "Photographing the Aurora," "Airplane or Battleship - Which?" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Sept. 1921. Edited by Hugo Gernsback. Articles include "300-Mile Gun Now Possible," "Fortunes From Little Things - The Animated Motion Picture," "Inside a Piece of Sugar" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Oct. 1921. Edited by Hugo Gernsback. General interest science magazine. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Nov. 1921. Edited by Hugo Gernsback. Articles include "Have We Neighbors in Space?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Dec. 1921. Edited by Hugo Gernsback. Articles include "Insects for Jewlery," "Electric Power From Earth's Heat," "Crops on the Moon" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 102 pages, B&W. Cover price $0.25.

July 1922. Edited by Hugo Gernsback. General interest science magazine. 8 1/2-in. x 11 1/2-in., 102 pages, B&W. Cover price $0.25.

August 1922. Edited by Hugo Gernsback. Articles in this issue include "Movies of Prehistoric Animals" with photos of Herbert M. Dawley and many of his dinosaur creations, "The Truth About Perpetual Motion" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 102 pages, B&W. Cover price $0.25.

Oct. 1922. Edited by Hugo Gernsback. General interest science magazine. Three short articles on movies: "New Talking Movie Process," "Silhouette Movies Now" and "Flickerless Movies." 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

June 1923. Edited by Hugo Gernsback. Articles include "X-Ray Movies of the Body," "Light Beams Measure Ocean Depths," "Giant Steel Hands to Salvage Ships' Treasures" and much more. Profusely illustrated. 8 14-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

July 1923. Edited by Hugo Gernsback. General interest science and technology magazine, both imagined and real. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

August 1923. Cover by Howard V. Brown. This is a key issue in this mostly electronic and radio engineering magazine which also featured a classic science fiction serial or story in each issue. This issue collects four stories together in a science fiction cover feature. Considered the first science fiction issue, three years before the first issue of Amazing Stories. The cover by Howard Brown is significant as it is likely the earliest depiction of a space suit design most commonly used in future SF, comic book, and movie depictions. Fiction includes "The Man from the Atom" by G. Peyton Wertenbakero, "Doctor Hackensaws Secrets: The Secret of the Super-Telescope" by Clement Fezandiéo, "Around the Universe" by Ray Cummings and "Advanced Chemistry" by Jack Huekels. 9-in. x 12-in., 104 pages, B&W. Cover price $0.25.

Dec. 1925. Edited by Hugo Gernsback. Astronomy focus. Articles include "How to Forecast the Weather," "Around the Universe" by Ray Cummings, "Birds That Had Teeth" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Vol. 11, No. 6. October 1923. Includes: "Our Cities of the Future" by Hugo Gernsback with a wonderful full-page sepia-toned illustration by Louis Biedermann showing cityscape designs reminiscent of Fritz Lang's "Metropolis", but predating it by four years; "How Trick Movie Sets Fool Us" with photos and illustrations showing how Harold Lloyd did the scenes hanging from the clock on the side of a building in "Safety Last". 9" x 12". 102 pages. Black and white. Cover price $0.25.

Dec. 1923. Edited by Hugo Gernsback. Articles include "Around the Universe," "Wonders of Saturn," "The Stars in 1,000 Centuries" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 112 pages, B&W. Cover price $0.25.

Feb. 1924. Edited by Hugo Gernsback. One-page article on magic tricks with matchboxes by Walter Gibson, author of The Shadow. 8 1/2-in. x 11 1/2-in., 114 pages, B&W. Cover price $0.25.

March 1924. Edited by Hugo Gernsback. Articles include "Parting of Red Sea Filmed," "Mechanical Servants," "Underground Cities" and much more. 8 1/2-in. x 11 1/2-in., 112 pages, B&W. Cover price $0.25.

May 1924. Edited by Hugo Gernsback. Standout article is two heavily illustrated pages detailing special effects in the movie, The Thief of Bagdad, by Tamar Lane. Also includes one page on the German silent movie, Die Nibelungen, with four stills showing the Dragon (which took 17 men to operate) and two illustrations (one showing where the 17 men stood and what they did). Plus Other articles include "Gas Gun to Aid Policemen," "A Hotel of Pompeii," "Marvelous Roman Clock" and much more. Heavily illustrated with artwork and photographs. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

June 1924. Edited by Hugo Gernsback. Articles include "Observatory at North Pole," "New Dirigible Hangar," "Gambler's Tricks Revealed" and much more. Profusely illustrated. 8 14/-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

July 1924. Edited by Hugo Gernsback. Articles include "Quartz - The Wonder Substance," "Sun's Rays Melt Gold and Steel," "Paintings as Movie Sets" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Vol. 12, No. 4. August 1924. Includes: "The Diabolic Ray-Is It Possible?"; "Photographer's Make Movie Comedy Hilarious" with photos and illustrations showing how many of the gags in Buster Keaton's "Sherlock Jr." were done. 9" x 12". 102 pages. Black and white. Cover price $0.25.

Vol. 12 #7 - Nov. 1924. Edited by Hugo Gernsback. Short articles about inventions, discoveries, how-to with a special emphasis on radio. Profusely illustrated with photographs and drawings. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Jan. 1925. Edited by Hugo Gernsback. Articles include "English Tidal Power Scheme," "Dante's Inferno in the Movies," "Dirigible of the Future" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

April 1925. Edited by Hugo Gernsback. General interest science and technology magazine. Highlight is a two-page behind-the-scenes article of the movie "The Phantom of the Opera" with eight stills and five drawings. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

June 1925. Edited by Hugo Gernsback. Articles include "North Pole Junction", "Land and Water Airplane", "Magic for Everybody" and much more. Heavily illustrated with artwork and photographs. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

July 1925. Edited by Hugo Gernsback. Articles include "Exploring the Sargasso Sea," "Our Earth's Atmosphere," "What is Gravitation?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Aug. 1925. Edited by Hugo Gernsback. Articles include "How Bees Talk," "Ancient Burials," "What to Do in Thunderstorms" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Sept. 1923. Edited by Hugo Gernsback. Articles include "Roman Steam Power," "Einstein Refuted," "Did Charleston (dance) Cause Building Collapse?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Oct. 1925. Edited by Hugo Gernsback. General interest science magazine. 8 1/2-in. x 11 1/2-in., 102 pages, B&W. Cover price $0.25.

Nov. 1925. Edited by Hugo Gernsback. Articles include "Movie Thrills on Skyscrapers," "Is the Earth Solid?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Vol. 13, No. 8 - December, 1925. Edited by Hugo Gernsback. Articles include "Refrigerated Theaters," "New Rescue Methods for Submariners," "How Movie Railroad Wrecks Are Made" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Jan. 1926. Edited by Hugo Gernsback. Articles include "Air Transportation Station of 1950," "New Helicopter-Airplane, "Bridging the English Channel" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 13, Issue 10 - February, 1926. 8.5" x 11.5", 120 pages, B&W. Cover price $0.25.

Mar. 1926. Edited by Hugo Gernsback. Standout article is "Ben-Hur - Wonder Movie" about filming the legendary chariot race. Other articles include "Is Einstein Right?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 13, Issue 12 - April, 1926. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Volume 14, Issue 1 - May, 1926. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

June 1926. Edited by Hugo Gernsback. Articles include "White Ants Destroy Buildings," "Origin of the Moon," "What is Cold Light?" and much more. Profusely illustrated. 8 14/-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 14, Issue 4 - August, 1926. Edited by Hugo Gernsback. Articles include "How Matches Are Made," "Cookless Household," "Electric Ostrich Tamer" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Sept. 1926. Edited by Hugo Gernsback. Articles include "Ocean Stations for Airplanes," "World's Greatest Cataclysm," "Microscopic Engraving" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Oct. 1926. Edited by Hugo Gernsback. Articles include "Was Noah's Ark Possible?," "How to Build Cedar Chests," "Houdini Outdoes Fakirs" and much more. Profusely illustrated. 8 14/-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

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Nov. 1926. Edited by Hugo Gernsback. General interest invention, science and technology magazine, heavily illustrated with drawings and photographs. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Dec. 1926. Edited by Hugo Gernsback. Article on German silent classic movie, The Adventures of Prince Achmed, with six illustrations showing how the stop-motion film was made. Other articles include why Sikorsky's transatlantic flight failed, cathode rays and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Jan. 1927. Edited by Hugo Gernsback. Articles include "Greatest Telephone Buillding on Earth," "The Shape of the Moon," "Transmitting Pictures By Wire and Radio" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Feb. 1927. Edited by Hugo Gernsback. Standout article is a two-page cutaway illustration showing the Paramount Theatre in NYC, which cost $18 million. Plus two pages on how the movies stage and film a battle, which uses Wings and Old Ironsides as examples. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Add to cart Very Good $8.00 View scans

Mar. 1927. Edited by Hugo Gernsback. Articles include "Marvels of Interplanetary Space," "The World's Furnace," "Why a Cat Always Lands on its Feet" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Apr. 1927. Edited by Hugo Gernsback. Articles include "Motor Ships of the Desert," "Pneumatic Suit Aids Heart," "Largest Theater in the World" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

May 1927. Edited by Hugo Gernsback. Articles include "In the Year 2026," "The Canal-Geometers of Mars," "Mechanical Devices Animals Use" and much more. Heavily illustrated. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

June 1927. Edited by Hugo Gernsback. Standout article is on the silent classic, Metropolis, with nine stills and nine illustrations. Other articles include "Can We Fly to the Planets?" and "Television Perfected at Last" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart Very Good $8.00 View scans Staple rust: Moderate.

Volume 15, Issue 3 - July, 1927. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Volume 15, Issue 4 - August, 1927. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Volume 15, Issue 5 (whole number 173) - September, 1927. Science and technology magazine for the general public. 8.5" x 11.5", 98 pages, B&W. Cover price $0.25.

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Oct. 1927. Edited by Hugo Gernsback. Articles include "New Fog Beacons Guide Planes," "How Movie Film is Made," "Does Coffee Poison the Heart?" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Dec. 1927. Edited by Hugo Gernsback. Articles include "Over Niagara Falls for Movie Comedy," "Third Dimensional Movie Screen," "If We Had No Ears" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

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Jan. 1928. Edited by Hugo Gernsback. Articles include "Why Birds Migrate," "Street Traffic Will Flow Through Skyscraper," "Growing Living Chemicals" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

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Feb. 1928. Edited by Hugo Gernsback. Articles include "Manmade Storm Ventilates Hudson Auto Tube," "The Flying Piano," "Magazine Mysteries" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart VF- 7.5 $37.00 View scans Staple rust: Slight.

Add to cart Fine $14.00 View scans

Mar. 1928. Edited by Hugo Gernsback. Articles include "Fish Harvester," "Longest Concrete Bridge at New Orleans," "Visiting Other Planets" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart Very Good $5.00 View scans Staple rust. Foxing. Soiling. 2" Cumulative spine split.

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Apr. 192. Edited by Hugo Gernsback. Articles include "Rubber Made From Shrubs," "Tornado-proof Houses," "How Animals Grow New Limbs" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

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May 1928. Edited by Hugo Gernsback. Long article with photographs and drawings on dirigibles' worth and future. Plus eighth installment of Abraham Merritt's novel, The Metal Emperor and lots more, all heavily illustrated. 8 1/2-in. x 11 1/2-in., 104 pages, B&W. Cover price $0.25.

Add to cart VG+ 4.5 $87.00 View scans Staple rust: Moderate.

July 1928. Edited by Hugo Gernsback. Articles include "Atlantis - Land of Mystery," "Deep-Sea Motion Picture Camera," "Synthetic Diamonds Now Possible" and much more. Plus A. Merritt's tenth installment of The Metal Emperor. Heavily illustrated. 8 1/4-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart Fine $14.00 View scans

Add to cart Very Good $12.00 View scans Front cover detached 10%. Back cover detached 10%. Water damage: Slight. Staple rust: Moderate.

Add to cart GD/VG 3.0 $9.00 View scans Front cover detached 15%. Back cover detached 15%. Staple rust: Slight.

Aug. 1928. Edited by Hugo Gernsback. Articles include "17-Year Locusts," "Movie Theatre of the Future," "The Riddle of Atlantis" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart Very Good $8.00 View scans Staple rust: Slight.

Add to cart Good $6.20 View scans Front cover detached 5%. Cover Wrap Detached. Staple rust: Slight.

Volume 16, Issue 6 - October, 1928. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Nov. 1928. Edited by Hugo Gernsback. Articles include "Movie Tricks" about miniatures, "Danger - High Vacuum," "Is Civilized Man Losing His Sense of Smell?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 16, Issue 8 - December, 1928. Edited by Hugo Gernsback. Articles include "Cities of Tomorrow," "Filming a Submarine Disaster," "Graf Zeppelin Arrives" and much more. Profusely illustrated. 8.5" x 11.5", 110 pages, B&W. Cover price $0.25.

Add to cart Very Good $5.00 View scans Staple rust. Rust migration. Foxing. Soiling.

Add to cart Very Good $8.00 View scans

Add to cart GD/VG 3.0 $7.00 View scans Front cover detached 20%. Back cover detached 20%. Staple rust: Slight.

Volume 16, Issue 9 - January, 1929. Edited by Hugo Gernsback. Articles include "Graf Zeppelin Dissected," "Largest Vehicle Tunnel," "Chemistry of a Plant" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Feb. 1929. Edited by Hugo Gernsback. Hilliker cover. Articles include "Shattering the Atom," "Giant Bridge Joins Two States," "All About Electric Fish" and much more. 8 1/2-in. x 11 1/2-in., 112 pages, B&W. Cover price $0.25.

Add to cart Very Good $15.00 View scans Front cover detached 15%. Back cover detached 20%.	Add to cart Very Good $17.00 View scans	Add to cart GD/VG 3.0 $5.00 View scans	Add to cart Good $5.00 View scans Front cover detached 20%. Back cover detached 20%.
Add to cart Good $5.00 View scans Front cover detached 15%. Back cover detached 15%. Water damage: Moderate. Staple rust: Slight.

Vol. 16, No. 11. March 1929. Includes: Cutaway illustration of the London Underground system; creative uses for tile sewer pipe; new radio speaker designs; and more. 9" x 12". 110 pages. Black and white. Cover price $0.25.

Volume 16, Issue 12 - April, 1929. Edited by Hugo Gernsback. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 17, Issue 1 - May, 1929. Edited by Hugo Gernsback. Articles include "Is Rocket Flying Possible?," "Glands - Monkey and Otherwise," "Mid-Ocean Airplane Station Generates Own Power" and much more. Heavily illustrated with artwork and photographs. 8 1/4-in. x 11 1/2-in., 110 pages, B&W. Cover price $0.25.

Volume 17, Issue 5 - September, 1929. Edited by Hugo Gernsback. Articles include "Giant Voice Helps Zep Land"; "Television in Colors"; "How a Roller Coaster Demonstrates Relativity" and much more. Heavily illustrated with artwork and photographs. 8 1/4-in. x 11 1/2-in., 100 pages, B&W. Cover price $0.25.

Oct. 1929. Edited by Hugo Gernsback. Articles include "Inside the Graf Zeppelin," "When Fate Fooled Houdini," "Making Sound Behave!" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 92 pages, B&W. Cover price $0.25.

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Vol. 17, No. 8. December 1929. Includes: Circular air station in Kansas City, photo of Leon Theremin with instrument, how to make rayon, new radio devices, small articles on zeppelins and more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Volume 17, Issue 12 - April, 1930. 8.5" x 11.5", 130 pages, B&W. Cover price $0.25.

Add to cart FN- 5.5 $15.00 View scans Front cover detached 10%. Back cover detached 10%. Staple rust: Extensive.

Volume 18, Issue 1 - May, 1930. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Add to cart Very Good $4.00 View scans

Add to cart GD/VG 3.0 $6.00 View scans Front cover detached 20%. Back cover detached 5%.

Volume 18, Issue 2 - June, 1930. 8.5" x 11.5", 194 pages, B&W. Cover price $0.25.

Add to cart Fine $12.00 View scans

Add to cart VG+ 4.5 $11.00 View scans Front cover detached 15%. Back cover detached 25%. Water damage: Slight.

July 1930. Articles include "Television," "Aloft with the Bouncing Blimps," "Masters of the Whirlwind," "Will the Insects Conquer Man?" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

Add to cart FR/GD 1.5 $44.00 View scans Front cover detached 70%. Back cover detached 20%. Staple rust: Moderate.

Volume 18, Issue 11 - March, 1931. 8.5" x 11.5", 100 pages, B&W. Cover price $0.25.

Volume 18, Issue 12 - April, 1931. 8.5" x 11.5", 130 pages, B&W. Cover price $0.25.

May 1931. Articles include "Cosmic Bullets," "Television Takes the Next Step," "Man - A Tool-Using animal" and much more. Profusely illustrated. 8 14/-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.

June 1926. Articles include "What Makes the Sun Hot?," "Long Range Weather Forecasting From the Ocean," "Dethroning the Ice King" and much more. Profusely illustrated. 8 14/-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.