Vintage Alnor Portable Pyrometer Model 1760 Pneumatic Airflow Tester 1956

Vintage Alnor Portable Pyrometer Model 1760 Pneumatic Airflow Tester

Vintage Alnor Portable Pyrometer Model 4200 Pneumatic Airflow Tester

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

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

VINTAGE PYROMETER INSTRUMENT CO. SURFACE PYROMETER UNTESTED

Vintage ALNOR 3002 Velometer Air Flow Velocity Meter

VINTAGE ASI Pyrometer Tester USA Untested Advance Schools Inc. Chicago