Field Note Book Crocker Land Expedition 1913-1915 No. 53 Seismograph, 1916-1917
Page 43
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Transcription
39 15 March, 1917. Off 11.01a No shocks O.K. On 11.02.40 a.m. 16.3° (Outside -28.5°) clock beter 4.5+5 sec slow g.c. count- Stopped from 9.40 to 10.48 for pur- pose of adjusting hour mark and setting. Make mark incorrectly and set clock again at 1.2:18 p.m.- 6.22h. 14.5° Tried again at 7.03 16 March Off 10.37 a.m. No shocks O.K. except minutes missing from 9.01 a.m onward- Put in 2 Tablesp. NH4Cl tag On 10.37.50 Temp. 16° (Outside -23°) 1.20 p.m. 15° 6.24h. 13.6° 10.30h. 14° 17 March Off 11.01 a.m No shocks Time marks missing from 11.02 a.m.-1.28 h. cal am - 2.26 a.m.- and at other short intervals On 11.02 a.m. Temp. 11.9° (Outside -22°) 4 p.m. -23° adjusted batteries- 6:35 p.m. 21.3° 11 p.m. 20° 18 March off 10.09 a No shocks Time marks o.k. after 12.50 p when batteries were fixed On 10.09.5- Temp. 17.3 (Outside -19) 6:30p. 27.2° 11 p.m.-