Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 244
he pendulum rod. This lever in its turnactuates a ratchet wheel, moving it one tooth every completeswing ; as there are thirty teeth in this wheel, it follows that it,together with its sj)Indle, make one complete revolution in thirty 214 Feeler Type Meters seconds. Attached to the other end of this… … Fig. 247.—Johnson & Phillips Meter (Back View The spindle also carries an aluminium cross-bar or beam set atright angles to the hand, and two phosphor bronze coiled springs. The collets of these springs are firmly fixed to the spindle, andthe spindle is mounted in jewelled screws. From one end…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-480-77.webp)
