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Science
Hasluck's Photographic Notes
Making Permanent Magnets
Telescope Making
Simple Scientific Experiments
Use Tin Can Metal in Science
Photographic Cameras
Experimental Physics
1001 Formulas
Build a Solar Working Solar Cell!
Fuel From Water
Accurate Mechanism
Instruments of Amplification

Boys Books
Boys Bk Engine Building
Model Engines & Small Boats
Harpers Aircraft for Boys
Boats, Airplanes & Kites
Building Model Boats
War Toys for Boys
The Boy Electrician
Midget Racers
Amateur Radio Beginner's Guide
Vacuum Tube Regenerative Rcvr

Photography
Burbank: The Negative
Estabrooke: The Ferrotype
Abney: Silver Printing
Photographic Notes
Photography in Studio & Field
Wilson's Quarter Century
Photographic Cameras