Tech Forge

Screw-Thread Cutting by the Master-Screw Method since 1480

Satellite Communications Physics

Scientific American Supplement, No. 483, April 4, 1885

Scientific American Supplement, No. 561, October 2, 1886

À terre & en l'air...: Mémoires du Géant

Handbuch der chemischen Technologie: Achte Auflage

Scenic Mount Lowe and Its Wonderful Railway

On the Development and Distribution of Primitive Locks and Keys

Scamping Tricks and Odd Knowledge Occasionally Practised upon Public Works

Scientific American Supplement, No. 623, December 10, 1887

Scientific American Supplement, No. 711, August 17, 1889

Hawkins Electrical Guide v. 07 (of 10): Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications

Model Flying Machines

Scientific American Supplement, No. 415, December 15, 1883

Scientific American Supplement, No. 492, June 6, 1885

A-B-C of Electricity

Artificial Limbs

Practical Stair Building and Handrailing: By the square section and falling line system.

Motor Truck Logging Methods: Engineering Experiment Station Series, Bulletin No. 12

Hawkins Electrical Guide v. 05 (of 10): Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications

The Petrol Engine: A Text-book dealing with the Principles of Design and Construction, with a Special Chapter on the Two-stroke Engine

Rules and Practice for Adjusting Watches

Elementary Course in Woodwork: Designed for use in high and technical schools, with one hundred and thirty-four illustrations: First Edition

Emil Rathenau und das elektrische Zeitalter