| (Reaumurgrade) 1st 2nd 3rd 4th 5th Directorate Republic of France Temperature Scale (Yr.1795) |
| 0 R - 80 R grade | = | Directorate/Reaumurgrade temperature scale |
| 0 R & 64 R grade | = | Directorate/Reaumurgrade temperature reference points |
| -31 1/9 D deg. | = | D deg. freezing point mercury - Hg |
| -25.6 R grade | = | -25.6 Fahrenheit deg. | (-25.6°) |
| -14 2/9 R | (deep freeze) | = | food freezer interior std. temp. for 3 mth. storage |
| -14 2/9 R | (deep freeze) | = | approx. freezing point of solution 1/4 part wt. seasalt & 3/4 part wt. rainwater |
| 0 R grade | = | 0 Centigrade old/New/2New | (not Hectograde) | (0 Ct old/New/2New) |
| 0 R grade | = | R grade melting point distilled water ice |
| 0.008 R grade | = | R grade triple point distilled water | (vapour/water/ice) |
| 3.2 R grade | = | R grade maximum density distilled water |
| 28 4/9 R grade | = | R grade human armpit temperature during sleep |
| 28.8 R grade | = | R grade human mouth temperature during sleep |
| 44 4/9 R grade | = | 44 4/9 Celsiusgrade old | (44 4/9 C grade old) |
| 52.174 R grade | = | 52.174 de Lisle deg. | (52.174 D deg.) |
| 64 R grade | = | R grade boiling point spirit of wine @ sea level |
| 80 R grade | = | R grade boiling point distilled water @ sea level |
| 285 1/3 R grade | = | R grade boiling point mercury - Hg @ sea level |
| • | ||
| 0 R - 64 R | = | 64 indications of 1 R each |
| LEATHER SEALER'S OFFICE, Londonderry, Vt. | April 8th 1826 | Rory Ely Cole |
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