- Special medium length Ts 10/18 thermometer with a range of 14 to 38°C in 0.2°
- Accuracy within ±0.2°C
- Cap for the side tube is Standard Taper 5/12 and has small vent near the top
- Each flask body is numbered for easy identification
The 50 mL size is used to obtain the specific gravity of pigments (ASTM D 153).
| Thomas No. | Capacity (mL ) | Approx. Assembled Height (mL ) | Approx. Assembled Weight (grams) |
| 8350F17 | 25 | 175 | 35 |
| 8350F23 | 50 | 186 | 47 |