Vintage Alnor Portable Pyrometer Model 1760 Pneumatic Airflow Tester

Vintage Alnor Portable Pyrometer Model 4200 Pneumatic Airflow Tester

Signal Corps Resistance Bridge ZM4 B/U Serial No 98 Rare Vintage US Army AS IS

Vintage Alnor Velometer Jr. Air Velocity Dual Scale in FPM 0-1600 / 0-400

VINTAGE ALNOR VELOMETER NO 643 FPM AIR FLOW VELOCITY METER Kit + Accessories

Weston Electric - D.C. Ammeter - Vintage Model 45 - No. 13968

Vintage 60's ALNOR Velometer Type 3002 FPM Air Flow Velocity Meter In Hard Case