Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
April 20 no shock
on at 7 55 am
off at 7 34
marking intermittently
April 21 on but 7.45pm
off at 8 54 am
working well till 11 pm no shock
April 22 on at 8,56
not marking no shock
April 23
putting in new water
and refilled pans
off at 7.48 am
...and shock working well till
after 9 am then marking
not perfect
April 24 on at 7.49
off at 7 34
no shock
not marking good
April 25 on at 7,36
off at 7 25 pm
no shock
not marking
April 26 on at 7 26
off at 7 44
no marking water drip
on rheumograp
batteries not working
or connection bad