Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 372
Mechanical Time Ktcorders. These instruments are constructed to record the timeand amouut. by direct attachment, of certain mechanicalactions, such as the operation of slice gates, dampers,gate valves, governors, etc. Absolutely dependable. Made to fit all conditions. … Ibarts. Special attention has been paid to the design of allFoxboro Charts. They are made in lliree sizes for S. 10 and 12-inch in-struments. They have long open scales, clear cut unbroken lines,night and day plainly designated by solid and skeletontype. All our charts are made from figures given…
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