Technologic Papers of the Bureau of Standards - Influence of Phosphorus Upon the Micro-Structure Structure and Hardness of Low-Carbon, Open-Hearth Steels, November 21, 1921 #252674 5,85€
The Smith's Pocket Companion, Containing Useful Information and Tables on Iron and Steel, for the Use of Smiths and Steel Workers #223384 6,85€
The Mechanics of Fitting Glasses - Giving Complete Information Concerning Fitting, Adjusting and Prescribing Eyeglass and Spectacle Frames and Mountings, and Covering All Mechanical Work Within the Province of the Refractionist #222814 5,85€
Farm Engines and How to Run Them - The Young Engineer's Guide, a Simple, Practical Hand Book, for Experts as Well as for Amateurs, Fully Describing Every Part of an Engine and Boiler, Giving Full Directions for the Safe and Economical ... #250095 7,85€
Electric Arcs Experiments Upon Arcs Between, Different Electrodes in Various, Environments and Their Explanation #249407 7,85€
