brass, through which be supported in a vertical position and provided with with a file and a smooth covering of cotton tape be passed the slow-motion screw, sharpened to a point a better rotor, from which it is possible to get enough applied as shown in Fig. 1, A. and turned by a small wooden… … of any size larger than No. 20. This winding Fig. 2.—ALTERNATING CURRENT MOTOR, EASILY CONSTRUCTED EQUATORIAL MOUNT TOR TELESCOPES.
Apparatus · Speed · Dredges · Device · Supplement · American supplement · Scientific American · Gold dredges · Waltham watch · Alternating current · Polar axis · Middle west · Hot water · Wireless telegraph · Coal consumption
Internet Archive · Public domain (published before 1931). Free to use for anything.
