American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 552
repeating the signals to the various circuits, in a mannerdescribed later. The shaft ls carries rods /, /, /, rigidly mounted upon it,and standing,normally, upright. A long hinged rod R is also mounted on shaft ls. R is loosely hinged at its upper end/ to a lever /, (Fig. 329.) On the end of lever/… … GAMEWELL AUTOMATIC FIRE ALARM REPEATER. With this general allusion to the apparatus shown in Fig. 328, reference^ willnow be had to Fig. 329 which is a side view of 07ie of the relays rS its armature lever,etc., and rods r and /, etc. The lever 11 is furnished with a counter poise c\v which just…
Telegraph
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