E21000001
VARIAN DC POWER SUPPLY P/N E21000001 / XENTEK XTI8-15, 5 V, 15 V, NOS
This product is clearly a Case item with its logo on the front.
VARIAN E21000002 / XENTEK , 12V, NOS Varian IIS
You will find that RITE IN THE RAIN is a favorite among geologists and biologists.