Lot · Other Vintage Science Equip
Belfort Instruments Pyranograph Model 5-3850A Solar Radiation Weather Instrument
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Sun · Jun 21, 2026
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ZIP 880**
desertpicking
93 ratings · 100.00% positive
Description
From the sellerOne old piece of chart paper is included with a hand written date of 1989. When put in sunlight the needle moves up the black drum. This is the extent of testing.
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