This vintage piece was given out by Air Borne Controls, Inc. in Sun Valley, California. It is in excellent condition.

 

Here we have a very old and rare Eppley Pyranometer solar radiometer It is used for measuring solar radiation in watts / square meter It has the calibration tag to convert milivolts to watts/square me

 

HERE I HAVE FOR SALE VERY OLD BRASS LIDDED COMPASS SIZE- APROX- 1 1/2" GOOD CONDITION WORKING ORDER BUY WITH CONFIDENCE- GOOD LUCK AND HAPPY BIDDING-Check out my other items!Be sure to add me to your

 

Normal 0 false false false MicrosoftInternetExplorer4 If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old tech

 

Up for auction is this vintage Staedtler Mars 788 mechanical pencil, or lead holder - basically a drafting pencil. It is in very good condition, but it has a number of light dings and/or scratches. Al

 

PICKETT N3p pocket synchrolog DUAL BASE LOG/LOG EXPONENTIAL SPEED RULE All-metal construction. 32 scale sections. Mint condition leather case with comprehensive 95 page manual (from 1953). This was Pi

 

This listing is for 2 VINTAGE TRIGONOMETRY TABLES BOOKLETS , an ITW & EX-CELL-O Corp. The 6 1/2" by 3" booklets are both in very good used condition and both have slight wear. The EX-CELL-O book h

 

Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

One (1) barometer clear glass replacement bulb for wall barometer. Must be filled and hung on stand. Measurements: Approximately 4.5 inches depth, 4 inches width, 10 inches height Condition commensura

 

German vintage barometer with thermometer and hygrometer in wooden case.Working condition , wood scratches partially.