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Scientific American, Vol. 79, No. 26 (1898) (1898)

leaf 3

An illustration from Scientific American, Vol. 79, No. 26 (1898), 1898, leaf 3
stationary arbor, In order that the water-level may be easily ascer- trustworthiness, the accuracy of its records, coupled one wheel being numbered from 1 to 60 and the other tained, the retort and reservoir are provided with gage- with the small amount of clerical labor necessary to from 1 to 12.… … A “ROCHESTER” TIME-CARD, tute to award it the John Scott meda) and the gold of registering the number of hours in which their em- premiuin. ployés have worked, long tapes are employed, upon The system has been adopted for use in the United which the time of each employé’s coming and going States…

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