Dennison: 5 (Width), 6 (Strength), 18½ (Length). Unitas 211. Langendorf 1735, 1737.
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Enjoy the details in the photos provided.
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Envelope is clearly labeled and collectible. Spring is still inside original container, but it isuntested and sold strictlyfor parts or repair.
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Dennison Excelsior Watch Papers No 13-410 (No 10). 3” x 3” 1000 Count.
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Clockmaker’s/Watchmaker’s Estate Antique Heavy Brass Dennison/U. S. Standard Mainspring Gauge Tool. Dennison U.S. Standard Mainspring Gauge. 150mm by 24mm at it widest point. Look us up and enjoy!
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watch mainspring Dennison 2 1/2 x 3. Metric .112 .009
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Watch Mainspring Dennison 2 1/2 x 3.
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watch mainspring no 191 Dennison 9 x 8 x 12 1/2. Metric .180 .014 33.02
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