Page 158Scan 77 of 87
Drawing: quadrangle with diagonal; labels: 221.67, △ Atm., 15°43, 87°23, (413.90), (463.37), 59°.55, (129.53), 104.22, 63°52 (63.52 1/2), (460.52), (28.44 1/2) 28°.45, LW, A (cm.
∠s as above. (reading 28.45 at A instead of 28.44 wh actually observed)
| G (Ap) | Lg 221.67 | = | 2.34571 | 2.34571 | |
| Sin ∠ 28°.45' | 9.68213 | 28.44 1/2 | 9.68201 | ||
| 2.66358 | 2.66370 | ||||
| Sin 87.23 | 9.99955 | 9.99950 | |||
| [box: 460.39] | = | 2.66313 | [box: 460.52] | 2.66325 |
| Sin 63.52 | 9.95317 | 63.52 1/2 | 9.95320 | ||
| [box: 413.76] | = | 2.61675 | [box: 413.90] | 2.61690 |
| Sin | 59°55 | 9.93717 | 9.93717 | ||
| 2.67958. | 2.67973 | ||||
| ” Sin | 15.43 | 9.43278 | 9.43278 | ||
| [box: 129.53] | = | 2.11236 | [box: 129.57] | = 2.11251 |
| Sin | 104.22 | 9.98620 | 9.98620 | ||
| [box: 463.21] | 2.66578 | 2.66593 | |||
| [box: 463.37] | : |
If A = 28.44, △ Atm 87.23 1/2 & G 63.52 1/2 results would be - 460.64, 414.01, 129.60 & 463.60
Right page
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain