Made of good quality glass sheet, 1.2mm thick, with ground edges, and sperical concavities. Available with single, double, or triple concavities, in packages of 12.
| Thomas No | Mfr No | Description |
|---|---|---|
| 1216W21 | CS3X11-PK/12 | Single Concavity Glass Slides, pk/12 |
| 1216W22 | CS3X12-PK/12 | Double Concavity Glass Slides, pk/12 |
| 1216W23 | CS3X13-PK/12 | Triple Concavity Glass Slides, pk/12 |
