Page 156Scan 76 of 87
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Drawing: diagram with points A, Atm A, G; labels: 100 m, 1533.63, Atm A, 221.67, 1428.90, G
A
∠s A = 7.34 ▲ 58.5 G 114.21
Log 1533.63 = 3.18573+ " Sin 114.21 = 9.95954 3.22619 Sin 7.34 9.11952 G-Atm ▲ = 221.67 = 2.34571 Sin 58.5 9.92881 A-Atm ▲ = 1428.90 3.15500
Drawing: triangle and measurements; labels: Atm, (42.98), 42.32, 7.50, [symbol: square with diagonal line], (179.50), 179.35
~~1 at 12.50 A.x-G at 10.~~ Observed ∠s ▲ = 10.3 G = 2.23+
7.50 = Tan Atm ▲ = 10.° 2'. 58" 42.32
Log 7.50 = 0.87506 179.35 = 2.25370 8.62136 = Log Tan 2° 23' 40"
\sqrt{7.52 + 179.352} = 179.50 = G-[symbol: square with diagonal line]
\sqrt{7.52 + 42.322} = 42.98 = ▲-[symbol: square with diagonal line]
Drawing: triangle; labels: A, 6.21, G, 1533.63, (1505.25), 1428.90, 48°2', 111.57 1/3, (114.21 - 2.23 1/3)
Log A-A 3.18573+ Sin 130.45 9.87942 3.30631 "-1-13 8.32702 1.63333 = 42.98 48.2 9.87130 3.17761- = 1505.25
3.17761- 111.57 1/3 9.96731 3.21030 6.21 9.04376 2.25406 = 179.50 Sin 61.41 1/3 9.94469 3.45499 = 1428.99
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain