20Btu (mean) |
20.02Btu (I.T., pre-1956) |
21Btu (mean) |
21.02Btu (I.T., pre-1956) |
22Btu (mean) |
22.02Btu (I.T., pre-1956) |
23Btu (mean) |
23.02Btu (I.T., pre-1956) |
24Btu (mean) |
24.02Btu (I.T., pre-1956) |
25Btu (mean) |
25.02Btu (I.T., pre-1956) |
26Btu (mean) |
26.02Btu (I.T., pre-1956) |
27Btu (mean) |
27.02Btu (I.T., pre-1956) |
28Btu (mean) |
28.02Btu (I.T., pre-1956) |
29Btu (mean) |
29.02Btu (I.T., pre-1956) |
30Btu (mean) |
30.02Btu (I.T., pre-1956) |
31Btu (mean) |
31.02Btu (I.T., pre-1956) |
32Btu (mean) |
32.03Btu (I.T., pre-1956) |
33Btu (mean) |
33.03Btu (I.T., pre-1956) |
34Btu (mean) |
34.03Btu (I.T., pre-1956) |
35Btu (mean) |
35.03Btu (I.T., pre-1956) |
36Btu (mean) |
36.03Btu (I.T., pre-1956) |
37Btu (mean) |
37.03Btu (I.T., pre-1956) |
38Btu (mean) |
38.03Btu (I.T., pre-1956) |
39Btu (mean) |
39.03Btu (I.T., pre-1956) |