Soldiers milling around tents, some in line, ca. Spanish-American War era

Glass negative is overexposed. Adjusted EPSON scanner to allow for image to come through

Traffic assignment. Predictive curves and their application, including machine procedures developed in the Detroit traffic study.

Cover title.

Physical impairment among industrial workers. A report based on the complete physical examination of one thousand white, male, machine and hand tool operators. A study made through the Industrial Health Conservancy Laboratories.

Mode of access: Internet.

A text book on machine drawing for electrical engineers, forming an introductory treatise on the construction of electrical machinery and apparatus,

Mode of access: Internet.

Machine tool trade in Germany, France, Switzerland, Italy, and United Kingdom,

"Comprises a compilation of reports made to the Bureau of manufactures ... and originally published in Daily consular and trade reports." cf. Introduction, p. 9.

Report of the Tests of Metals and Other Materials for Industrial Purposes, Made with the United States Testing Machine at Watertown Arsenal, Massachusetts

Mode of access: Internet.

Cyclopedia of engineering; a complete manual of steam and machine practice...ed. by a corps of distinguished engineers, techical experts and eminent authorities. Editor-in-chief, Louis Derr

Mode of access: Internet.