This is a group of eight old railroad equipment instructional books dating back into the 1930s that belonged to a gentleman who worked for the telegraph department of the Santa Fe Railway in 1942.Some of the various titles are storage batteries;elect

This is a group of eight old railroad equipment instructional books dating back into the 1930s that belonged to a gentleman who worked for the telegraph department of the Santa Fe Railway in 1942.Some of the various titles are storage batteries;electricity and magnetism; alternating currents;amps,oscillators,detectors;dc motors and generators and with each measuring 5" x 7.5".