Handbook of Physics
Edward Uhler Condon, Hugh Odishaw
This is a physics reference book, including relevant mathematics, and consists of around 1500 pages containing the gist of physics as it was understood at the time it was written. It comprises everything that one might have wanted to know in the Fifties. In the first part of the book is all of the math necessary for the rest of it. The following sections contain everything from general mechanics and quantum mech, through fluid mech and the like to specialties such as magnetic resonance, metallurgy, and rheology, with everything in between.