88

C— Iα

Specimen Page of Field-book.

A Section ,9.—Third measurement of base-line from Secondary Trig. Station, Bidwill, to Tube No. viii. £in. Invar tape No. 02 : A end, A edge. Working-balance No. 1. Weather fine.— May 17, 1909.

r>— C. La.

Note —All roman hgu m italic are means for coinr. res below represent the mention, and final redui ■otual field-notes of six measurements. id distances. 1'igures Station. I Inclination. I i Temperature. Measured Distance. Reduced Distance. Total Distance. Remarks. ! O I II I El. El. 0 16 20 16 00 12 10 12 50 0 14 20 62 60 140-3195 ■3202 ■3200 ■3205 140-3201 I 1403112 i El. EL 57 00 ... 2 57 00 56 40 56 40 53 50 53 30 53 40 53 40 2 00 10 •71 51 ■9271 199-9275 •9271 •9271 499-9272 499-2609 1) 32 50 32 40 2 29 20 30 00 56 56 100-1880 •1382 •1388 ■1375 -1370 4001378 399-7325 1) ■i 31 12 . El. El. 4 58 30 4 58 00 I 58 20 4 58 20 5 02 20 01 40 01 40 02 20 0 00 09 57 57 ■9729 499-9725 ■9730 •9728 El. El. 199-9728 198-0031 A 1) D 26 00 26 00 25 50 26 10 ... 7 22 00 22 50 22 10 22 40 7 24 12 57 59 1349 372 1350 1351 1347 D 3721349 3690162 A El. . El. El. ... 0 17 20 17 00 14 00 13 40 ... 0 10 30 57 99-8875 •8872 ■8873 •8873 99-8873 99-8861 6 IB !ii !llV wi ill Trig. Stati ion El. O 6 Bidwill Trig. Station.