Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1445
ndany defects, if such exist, and to test all the conditions of:i[unning, before delivering them to customers. The lampsdhould not be hung up in their respective places in the ex-ternal circuit, until everything is running with perfectsatisfaction. 1416 Steam Engineering The tension of the clamp… … Fig. 671 causing unsteadiness in the lights. Too little tension willnot allow the clutch to hold up the rod, and any suddenjar to the lamp will cause the rod to fall and the light to goout. Arc Lamps 1417 The double carbon, or M lamp, should have the tensionof the second carbon a trifle lighter…
