THE MECHANICAL EQUIVALENT OF HEAT. 
469 
Table XXXIII. —(continued). 
Reading 
E,n. 
Time. 
Time over 
interval. 
Revolu¬ 
tions. 
Time of 
revolutions. 
Rate. 
seconds. 
thousands. 
seconds. 
296 
891-7 
164-2 
26 
877 
297 
895-8 
I 64-3 
298 
900 
164 5 
299 
904-2 
164-6 
27 
910 
Mean 
164-4 
30-28 
346 
1100-8 
209-1 
347 
1104-8 
209 
348 
1109 
209 
349 
1113 
208-8 
34 
1140-3 
Mean 
208-98 
30-40 
396 
1312-5 
211-7 
39 
1304-7 
397 
1317 
212-2 
398 
13-21 
212 
399 
1325-4 
212-4 
40 
1337-7 
Mean 
212-08 
30-40 
f446 
1531-2 
218-7 
447 
1535-7 
218-7 
448 
1540 
219 
449 
1544-6 
219-2 
47 
1567-7 
Mean 
218-9 
30-43 
506 
1802-7 
271-5 
54 
1797-8 
507 
1807-2 
271-5 
508 
1811-9 
271-9 
509 
1816-5 
271-9 
55 
1830 6 
Mean 
271-7 
• • 
30-43 
536 
1942-3 
139-6 
58 
1929-8 
537 
1947 
139-8 
538 
1951-7 
139-8 
539 
1956-3 
139-8 
Mean 
1 
139-75 
30-33 
