Miniature Mahogany Barograph by Richard Freres.

A miniature Barograph by Richard Freres, in a hinged mahogany case, with glazed front window, nickel plated handle and catches and a lever to remove the recording pen away from the chart. The movement and reading mechanism is in excellent original condition. This Barograph features in Phillip Collins book “Barographs” first published in 2002.

Dated: C.1920
Length: 7” 19cm
Height: 5” 13cm
Depth: 4” 10cm
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