ne hour directly upon facing the burner of the lamp) was the floor with a con- provided with a style of lamp that permitted of seeing read the hours of the night cast in siderable enlarge- the hour despite the darkness. Such was the clepsydra relief. They began at 4 o'clock in constructed in China,… … back to the first em- ers for giving the Tigs. 5 and 6.-LANTERN CLOCK. Fi s. 7 and 8. ILLUMINATED CLOCKS. pire (Figs. 5 and 6), time at night. -External view. Pig. 6.—Details of the internal mechanism. and consisting of a Fig. 5. The sixteenth cen- copper case, having upon its prolific tury was…
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