1851 Great Exhibition: Official Catalogue: Class VII.: John Barclay
From Graces Guide
117. BARCLAY, JOHN, Tongue by Goldspie, Scotland — Designer and Inventor.
A portable pressing machine, designed for copying letters and for other purposes.
Model of a wooden float bridge and appendages; applicable to narrow straits or rivers in calm situations.
Mechanical time and tide tables, for ascertaining the number of days from any period in one year, to any other period in the same or following year; the day of the week or month; the state of the tide at any given port; the moon's age, etc.
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