'L & M' French Barograph

Introducing our 20th Century French Barograph. Featuring a Walnut case, with original key. 5 diaphragm. Markings etched in brass: 'L & M' ,an anchor, and #325827. Incredibly noteworthy and unique is the small size of this barometer. Complete with original chart paper.

Barograph's such as this, were used to detect atmospheric pressure records and changes over time. Barograph contains an aneroid barometer, connected with needle that records data through a continuous pen & ink trace on the chart.

Plaque Reads:

'MADE IN FRANCE'

Inside Case Sticker reads:

'Order Years Supplies of charts

The Crows-nest 16 East 40th St

New York, 16, New York

For Barometer BH587 $4.75

Prepaid'

 Weight: 3.25 lbs.

Dimensions 7.5" x 4.0" x 5.0"