Cole Parmer Model 8205 Digital PhotoTach Meter

COLE-PARMER Tachometer Model 8213-20 with Carrying / Storage Case - Used

Vintage Cole Parmer (pre-Oakton) ORP Pen Meter - Untested

Cole-Parmer 98767-09 Traceable 4277 pH / ORP Meter with Probe – New Batteries

Vintage Glass Hydrometer Cole-Parmer Instrument Company

Flow Meter Cole Parmer 0-150 Serial #091892

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