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Single-Element 106mm f/14 Lens
This Pfeiffer Balzers pumping cart is built around a TPU-060 turbomolecular high vacuum pump (60 l/s) capable of a final ultimate pressure of 1 ×10−11 Torr
Texas Instruments TI-1200 1972 Calculator Working
One of the longest-running storylines in the strip's history
Variants: Lunasix
RCA Chro-Bar Generator WR-502A Q Street Single-Element 106mm f/14 LensRCA Chro Bar Generator WR 502A This is an RGB pattern generator used for testing televisions and monitors. This is a true professional instrument, it will generate color bars, dots, crosshatches, vertical lines, horizontal lines, and simple rasters. I've had it since 1970! It is battery powered and I removed the batteries so no corrosion and clean as a whistle on the inside.
