Robert Treat Paine Papers, Volume 3
The cube of the length of cannon in Propotion to a Nine pounder whose length is 64 Inches or 16 Diamrs. of the Shot. They will be all 16 Diamrs. of their Shot
| Nature of Cannon | Cubical Inches | Their Roots or their length in Inches |
| 18 Pounder | 524288 | 80.54 |
| 9 | 262144 | 64. |
| 12 | 349858 2/3 | 70.43 |
| 6 | 174429 1/3 | 55.92 |
| 4 | 116619 5/9 | 48.81 |
| 3 | 87714 | 44.3 |
| 2 | 58309 7/9 | 33.76 |
| 1 | 29154 8/9 | 30.62 |
| 1/2 | 14577 4/9 | 24.41 |
NB If their length, thickness &c. are propotioned as above their Weights will be in propotion that is if one is 2
Journals of the Continental Congress, 6:912–913). RTP was a member of the report committee that had been appointed on Oct. 23, 1776.