Antique Scientific Instruments

Rare Antique Henry J. Green Brass Wind Velocity Indicator Gauge Circa 1890

Rare Antique Henry J. Green Brass Wind Velocity Indicator Gauge Circa 1890
Rare Antique Henry J. Green Brass Wind Velocity Indicator Gauge Circa 1890

Rare Antique Henry J. Green Brass Wind Velocity Indicator Gauge Circa 1890

68 - 6 VOLTS IS ENGRAVED ON THE BACK.


Rare Antique Henry J. Green Brass Wind Velocity Indicator Gauge Circa 1890