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 238
Ma/ns Lamp ban A forContro///nq test-ing currentfrom mains T 110 Vo/tmeter fermina/s These are appfiedt any points of thecircuit which areto be tested as in-dicated at M.N.O.O, R.S. etc.
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.