I like how the Thermal Dynamics name looks on the front of this plan.
Ingenious Mechanisms for Designers Inventors Industrial Press 4 Books HC DJ
This is the 1988 printing – 23rd edition, 75th Anniversary of Machinery’s Handbook . All four books are 9.25″ by 6.25″ by 1.5″ and weigh 8 lbs altogether. Number of pages run 486 to 538. They will have the dust jackets covered with Brodart mylar.
METAL MATRIX COMPOSITES 1967 Symposium ASTM STP 438 Metallurgical Engineering
A nice touch is seeing the Jones & Shipman badge on the title block of each plan.