Laboratory exercises to accompany Carhart and Chute's First principles of physics (1913)
Fuller, Robert W. (Robert Warren), 1871-1953, Brownlee, Raymond B. (Raymond Bedell), b. 1877 joint author, Carhart, Henry Smith, 1844- First principles of physics. [from old catalog] · Boston, Allyn and Bacon · leaf 294
101. The small compasses are set in holes boredin the block with a bit and cemented in place by rubbing them with alittle shellac just before they are set in place. LINES OF FORCE AROUND A CONDUCTOR 279 (a) We may determine the direction of the magneticfield around a conductor passing vertically… … Fig. 101. The observations are to berecorded in three diagrams atthe top of the left-hand page.In each, diagram the positiontaken by the small needles is to be shown by arrowsin the four larger circles. The small circle in the cen-ter represents the wire. A current flowing up (towardthe observer)…
Physics
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