Celsius, Partial Immersion, White Back
- Graduated from -10° to 300° in 1°C
- Calibrated for 76 mm immersion
Length: 380 mm; Stem o.d.: 6-7 mm. Nitrogen topped.
Fahrenheit, 76 mm Immersion, White Back
- Scaled in Fahrenheit degrees, with white backgrounds
- Calibrated for 76 mm immersion
- Stems 6 to 7 mm o.d.
- Filled with nitrogen above the mercury
930°F thermometer of borosilicate glass; 1,200°F thermometer of more refractory aluminosilicate glass and does not have white back. Range x interval indicated in listings.
| Thomas No. | Tolerance, °F | Overall Length |
| 9286M10, M16 | 2 | 305 mm |
| 9286M28 | 2 to 212; 3 above 212 | 405 mm |
| 9286M46 | ±5 to 600; ±10 above 600 | 405 mm |