Objects of Desire
Wed, Feb 25, 2026 10:00AM EST
Lot 40
Dohrmann Envirotech Laboratory Glass Analyzer Apparatus
Estimate: $200 - $400
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $10 |
| $200 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $200 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $20,000 | $2,000 |
| $50,000 | $5,000 |
| $100,000 | $10,000 |
| $200,000 | $50,000 |
| $1,000,000 | $100,000 |
Dohrmann Envirotech Laboratory Glass Analyzer Apparatus, 20th Century
The American Dohrmann Envirotech Model T300, Serial number 2129, microcoulometer, which measures trace amounts of elements, especially in liquids, solids, and gases, by converting them into ions during combustion or reaction. A sublimation apparatus may have been used for environmental testing, with cotton wick and two wire leads. US Patent 3,427,238
H: 6 1/2 W: 6 1/2 D: 3 in.
Wear commensurate with use.
The American Dohrmann Envirotech Model T300, Serial number 2129, microcoulometer, which measures trace amounts of elements, especially in liquids, solids, and gases, by converting them into ions during combustion or reaction. A sublimation apparatus may have been used for environmental testing, with cotton wick and two wire leads. US Patent 3,427,238
H: 6 1/2 W: 6 1/2 D: 3 in.
Condition
When you’re the winning bidder on an item from Gray’s Auctioneers, you have three options for claiming your new treasure: 1. You can schedule an appointment to pick it up at 10717 Detroit Avenue in Cleveland, Ohio. 2. You can arrange for a third party service like UPS to pick up, pack, and ship your item. Two recommended UPS Stores are: store1308@theupsstore.com (440.333.4810); store1016@theupsstore.com (330-725-7033 press 9). 3. If you would like fine art craters or for blanket wrap shipping services, please contact Gray's.
From the Estate of John A. Davidson, Jr. Proceeds to benefit the APL of Lorain County and the Dittrick Museum.
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