![]() This system employed equal lengths of wires between each lamp in a (failed) attempt to make the voltage drop the same for each bulb.ĭo you have any timeless reference or text books you like to use? Let us know down below in the comments. The Weidemann system of wiring lamps, from “ Electric-Wiring, Diagrams and Switchboards” by Newton Harrison E.E., published in 1906, complete with “one hundred and five illustrations showing the principles and technics of the art of wiring”. Using triangles from “ Mechanical Drawing, Prepared for the Students of the Massachusetts Institute of Technology” by Linus Faunce, 1898. Mr Rider wrote so many technical books that he formed his own publishing company. This book alone is worth downloading just to see the excellent illustrations. Rider, 1945, a relatively modern book from this collection. High speed electrons from “ Inside the Vacuum Tube” by John F. Here’s a random sampling of a few illustrations from electronics-related books. There are books on farming, forging and casting, steam engines, clockmaking, telegraph and telephone, and even back issues of Scientific American and 73 magazines, just to name a few. And much is of historical interest as well, helping us get a better appreciation of what bodies of knowledge people had in the beginning of the last century. ![]() You might not want to have your appendix removed by someone who has only learned surgery from reading Dr John Sluss’s 1908 tome, “ Emergency Surgery for the General Practitioner, with 584 illustrations, some of which are printed in colors“. Because of the copyright duration laws, most are around one hundred years old. ![]() It is a extensive collection of text books, manuals, etc., in over 150 categories from Accounting to Woodworking. This collection of public domain books proclaims to not be about survival, but for survivors. ![]()
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