Subject ASC0000c20
The Intellectual observer.
v.6 (1865), Page 41 (1865)
Harvard University, MCZ, Ernst Mayr Library
BHL Page 39489212
Keywords
barometer aneroid air pressure Browning Ruler Aneroid new machine London. Barometer engraving drawing vacuum chamber weight measurement aneroid barometer browning Brownings new aneroid barometer instrument