reventing the still's boiling holder is provided, not with a stationary bottom, but dry. with a movable abutment which limits the distance to «tn» which the card can be inserted, and which is auto- THE "BOCHESTEB" SYSTEM OF TIME-BECOBDING. matically operated by a lifting rod in order to be In many… … A "BOCHESTEB" TIME-CABD. THE TIME-FBINTING MECHANISM. tute to award it the John Scott medal and the gold of registering the number of hours in which their em- premium. ployes have worked, long tapes are employed, upon The system has been adopted for use in the United which the time of each…
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