DEPARTMENT OF COMMERCE UL S. COAST AND GEODETIC SURVEY Form 665 Ed Dec. 1920 TRIANGLE COMPUTATION USING TW: SFOES AND INCLUDED ANGLE o = = a Ot Gg: goatan (45°4+¢) = 5 Calbicny b | do. Tahoe. ue < ComP oF bist from ZERo +t > from QCf Bib A for s 2 = 8 Sph. excess =P= Reproduced ffam the hold In * ™ Pa cific Southwest Region — Zz o = (840K ONG IAATLY oer OE sere BY A Ae, eon a Oe 8 Fa ee (a a0 OMe , | ee 4 (A,—B,) Sum= A, ce Diff-=B, ak 4 . , 4 soba Log é yy 22g : Log sph. ex. , oe 2, < Sph. excess 7 wh BN eR / r; “oc Tyre A ch eS 5 ” > a, Log c 42 . . . == Le ne)nlp CCE Type B Qe 0Freat Fac Goce oe Fog4 vs _—: eo. == . Loga Osh “4 Cology sin A, , (HECK COMPUTA TION 5+ SS SS SS SSS . No, 7 j Log sin C, ¢ * CG Log sin C, sin A, Log m ; GG ~ ; orgs ) om? co oo , EAE . bad OL By - A BAS , Ay 32 yo octcabot gate,rake ser Ay 467" a4 Sagres. . aC, asin Cy es? . a ft . Cs a ° o (aie * . . Cap tans Ap~ By): oy pA Ty ! :. === “PU ERICAL i PLANE ANGLE Frceas. AND DISTANCE LOGARITHM 2-3 1 i 2 3 | 1-3 i 1-2 : — oe | i ; | ! _ . t 2-3 ‘ ‘ M4 J . . - fon oe \ 4 - tyre ” ny al oce Bids stake yo ! ee gt pet 2, | | 2 ‘ 3 1-3 | | = hee7B OCl BLOG SHE (10Oe Kean 2) 1-2 a WU. &. GOVERAMENT *RIAT NG Cree? KO . aay et Leis: “hh ; Ho aligle respectively MIE SY ‘ 2 e _

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