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Title: Six-stage half-hour sand-glass of 1600-1630, in metal mount [Go to resource]
Description: Six-stage half-hour sand-glass of 1600-1630, in metal mount with wooden outer case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sand glass Temporal: 1600-1630 Source: Science Museum Identifier: 1954-127 Go to resource More Like this...
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