Lafayette Instrument Co. Stop Clock Model 54030

Lafayette Stop Clock Model 54030 Instrument Vintage NEW

Lafayette Instrument Model 81335a Operant Conditioning Console

Lafayette Instrument Impulse Response Counter Set - Model 58024 and 58024C

Lafayette Instrument 51013 Repeat Cycle Timer. Tested, powers On.

Lafayette Instruments Digital Clock/Counter Model 77066, HEART RATE MONITOR

Lafayette Insturment Co. 54035 Clock Counter 120V 60Hz 5W

Lafayette Instrument Co. Impulse/Event Counter Model 5822