Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 154
into his mouth. Lord Kosse adopted a similar arrangement; thepolisher, kl, Fig. 65* was worked over the speculum instraight strokes with side motion, the requisite straightmotion being given by a crank-pin and rod and the sidemotion by the continuation of this latter rod on theother side of the… … ^CT^ Fig. 65.*—Section of Lord Rosses polishing machine. were given by pulleys and straps of various sizes underthe table on which the machine rested; the weight ofthe polisher was in a great measure counterpoised bystrings from its upper surface to a weighted lever M above.The polisher was free to…
Astronomy · Telescopes
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