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Lot 62
A 20th century GPO pocket barometer - the silvered dial set out in inches and lbs per square inch,
62A 20th century GPO pocket barometer - the silvered dial set out in inches and lbs per square inch,
A 20th century GPO pocket barometer - the silvered dial set out in inches and lbs per square inch, in a distressed box, together with two inkwells...
A 20th century mercury stick barometer - mounted on a mahogany panel with brassed scales.
Lot 898
An early 20th century Fortin type laboratory mercury stick barometer by Negretti and Zambra - with
An early 20th century Fortin type laboratory mercury stick barometer by Negretti and Zambra - with silvered scales and incorporating a thermometer.
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