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Title: Sand Glass in Wire Mount with an Alarm [Go to resource]
Description: Single sand-glass in wire mount, sounding an alarm, Adjustable to 4 1/2 mins, 1760-1850. Abbot Horne. No.104. Type C. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sand-glass Temporal: 1760-1850 Source: Science Museum Creator: Unknown maker Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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