Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 372
They will wl/r.stand j :■ cr.-i can be depended upon atall times to give authentic records. For gas work, we have designed a special Recorder withV Gauge in the same case. This makes an ideal outfitfor gas comiianies. … 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.
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