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$75 · two vintage thermo hydrographs
Pair of vintage thermo hydrograph scientific instruments. Not sure if still operable as I don't know how to operate them. They belonged to a retired biologist. Trade for older slot cars, comics or toys. Near Gorge Waterway.
|Details||Last hour:||Last 24 hours:||All:|
|Posted||September 30, 2020|
|Renewed||January 01, 2021|
|Expiry||January 31, 2021|