Description
Contents: Steam-Electric Locomotive; No Ice Today; Pearl Farming; The Research Man’s Bag Of Toys; Radio Police Cars Reduce Crime Departments – Readers’ Roundtable (Where our readers give us their views, ideas, questions and answers); Did You Know That – (Interesting facts about science and industry) How To Make it – Garden Windmill; Practical Homes For Birds; Cigar And Cigarette Holders; Sovereign Of The Seas (Part 111); Clock And Shelf Jig-Saw Project; Convertible Plant Boxes; Marionette Stage Craft (Part V); Long Handled Mirror; Floor Lamp In Maple; A Razor Blade Hone; Home Made Wood Turning Lathe; Unique Furniture For The Summer Cottage; A Wall Desk; Chip Carving Things To Do With Electricity – Rebuilding A Split-Phase Motor (Part II); Building A Welding Generator (Part II); Reversing A Split-Phase Motor Motor Mechanics – Spring Tonic For Automobiles; Shoe Scraper For Your Car Outdoor Sports – “Wings” – 13 Foot Sail Boat; Safety Belt For Swimmers Patents And Inventions – Your First Step In Getting A Patent; Patent Question Box Radio For Everybody – Music Making Cushion; Portable Sound Recorder; AC-DC Radio With Built-In Antenna; Modernizing Old Phonographs; For Your Radio Notebook; Wiring, Interference; Batteries; Headphones What’s New In Radio – AC Power Plant For Portable Radio; 1 Kw, Television Transmitter; Radio Aid For Doctors; 8-Watt Transmitter For Police Cars; Radio Bench Lamp; Triple-Cone Loudspeaker Photography – You Can Make Trick Photos Through A Pill-Box; To Prevent Greenish Tints; Protecting Prints From Water Splashes Latest In Photography – Instant Movie Camera Case; Candid Camera; Electric Print Dryer; Projector Kit; Transparency Viewer; Exposure Calculators; Vest Pocket Camera; Weighing Spoon; Tripods For Amateurs; Wireless Synchrozer Money Making Opportunities – Easy-To-Do Electroplating; Third Dimensional Art Works; Blind Man Operates Radio Store; 930 Dozen Bags Of Potato Chips
Issue: April 1939
Condition: Very Good