Links to some 1930s machine design books:

http://www.opensourcemachinetools.org/archive-manuals/Ingenious_Mechanisms_Vol.1_Jones_1930.pdf

http://www.opensourcemachinetools.org/archive-manuals/Ingenious_Mechanisms_Vol.2_Jones_1930.pdf

http://www.opensourcemachinetools.org/archive-manuals/Ingenious_Mechanisms_Vol.3_Jones_1930.pdf

http://www.opensourcemachinetools.org/archive-manuals/Ingenious_Mechanisms_Vol.4_Jones_1930.pdf