Polaroid model 150 land camera Collection Polaroid model 150 land camera Doug DeHaven May 14, 2020 Read More
Tektronix Type 535-S2 Oscilloscope Collection Tools Tektronix Type 535-S2 Oscilloscope Doug DeHaven May 10, 2020 Amazing donation to the lab, they do not make them like this any more!Read More
Dynamic dichroic light filter. Collection Dynamic dichroic light filter. Doug DeHaven May 6, 2020 Read More
Doug DeHaven 
