Field Note Book Crocker Land Expedition 1913-1915 No. 53 Seismograph, 1916-1917
Page 63
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Transcription
July 1 off at 8.46 am on at 8.59 am working well no shock July 2 off at 8.25 on at 8.27 found the lower roller in the ground it having worked all this morning no shock right hand is not working easy July 3 off at 8.23 am on at 8.34 no shock the left hand working perfect but right one not so well I can see that it is because I have not always known just what to do to adjust it July 4 off at 7.25 am on at 7.27 am no shock working well both pointers