Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 391
acks cross and they are con-nected with each other by two sets of curves. The switches andmates used here are similar to those shown and in addition thereare right angle and curve crosses. The light lines show the plainrail and the heavy lines the special pieces. The ends of each specialpiece are… … 346
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
