[ ri7 ] 
ferved the qiiickfilver in oiir only remaining thermo- 
meter at I this great heat had fo warped the ivory 
frames of our other thermometers that every one of 
them was broken. We now ftaid in the room, all to- 
gether, about I o minutes ; but finding that the thermo- 
meter funk very faft, it was agreed, that for the future 
only one perfon fhould go in at a time, and orders were 
given to raife the fire as much as pofiible. Soon after- 
wards Dr. soLANDER entered the room alone, and faw 
the thermometer at 2 1 o° ; but, during three minutes that 
he ftaid there, it funk to 196°. Another time, he found 
it almoft five minutes before the heat was leflTened from 
210° to 196°. Mr. BANKS clofed the whole, by going in 
when the thermometer flood above 211°; he remained 
feven minutes, in which time thequickfilver had funk to 
198°; but cold air had been let into the room, by a perfon 
who went in and came out again during Mr. banks’s flay. 
The air heated to thefe high degrees felt unpleafantly 
hot, but was very bearable. Our mofl uneafy feeling was 
a fenfe of fcorching on the face and legs ; our legs parti- 
cularly fuffered very much, by being expofed more fully 
than any other part to the body of the flove, heated red- 
hot by the fire within. Our refpiration was not at all af- 
fedled; it became neither quick nor laborious ;^the only 
difference was a want of that refrefhing fenfation which 
accompanies a full infpiration of cool air. Our time was 
fo taken up with other obfervations that we did not 
(e) This thermometer ftands, near the boiling point, about a degree too 
high; the fcale is Fahrenheit’s, 
R z 
count 
