Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 150
W6096. Starrett§ Re§ristering Speed Indicator No. 107.$3 00 14) TACHOMETERS For Permanent Atlaelinient. … Fig. 111. W7000. 51^ inch dial, up to 2000 revolutions per minute $55 GO W7001. 1% inch dial, up to 2000 revolutions per minute 60 00 W7002. 53^ inch dial, for more than 2000 revolutions per minute... 75 00■W7003. 71^ inch dial, for more than 2000 revolutions per minute.. . 80 00 These instruments…
Electric apparatus and appliances · Equipment and supplies
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