Vintage Unmarked Round Glass Pocket Watch Crystal 43.79mm VTF 19 6/16 18 6/8
USD 9.99 USD
Specifications
| Brand | Unbranded |
| Unit Type | Unit |
Clear round glass optical disc or small lens with central embedded paper insert. Paper insert shows a decorative blue border and printed text: "V.T.F." with "19 6/16" and "18 6/8" in the center. Disc is transparent with a beveled outer edge and flat faces, suitable for optical, scientific, or display applications. Actual Measurements: Diameter: 43.79 mm. Keywords: glass lens, optical disc, magnifier, round glass insert, scientific instrument part.