Alnor Thermo-Anemometer Type 8500 Air Velocity Meter

Alnor Thermo- Anemometer Velocity Meter

Alnor Thermo- Anemometer Velocity Meter Untested

ALNOR 9850 Thermo-Anemometer Air Velocity Meter Indicating Equipment W/extras

Vintage Alnor Thermo Anemometer Type 8500

Vintage Lederle Thermo-Anemometer Alnor velocity meter

Alnor 9850 thermo-anemometer air velocity meter w/ box & accessories

Alnor Thermo-Anemometer Air Velocity Meter Model 8500 Portable Unit Velometer