Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 373
0.000 R. P. M. can be supplied. The instrument complete in leather carrying case withall accessories weighs 17 ounces. By far the most satis-factory instrument for direct reading of speeds that hasever been constructed. Electric Time Recorders. (Round Chart Type.) Our electrical Time Recorders are… … They are adaptable for recoitliiiK machine operationsand are very easy instruments to install. Above is shown the round chart type, which can befitted with one to twelve pens as required.
Architecture · Building · Construction industry · Engineering
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