It continues rainy today, with the clouds low. I have been calculating my magnetic observations; and determining axis of collimator mgnt [magnet]. Tonight I took in the magnet of the Dip circle.
[Additional entry taped to back cover of journal III]:
[In top margin] From Paris.
Guns located by sound from 3 stations; locations of high vel. guns and howitzer can be found within 50 yds. The exact location is then found from special photo file W56-46. (a)
Aerial defense of Paris
File 9185-C-6. Exh.1.p.2 special appa. [apparatus] invented by Prof. Perrot receives and amplifies sounds and is used for detecting aeroplanes.
Same Exh.5.p.18 Zeppelins can be heard from about 6 Kms. and the direction located by means of Segnae apparatus.
[End of Journal III]
In 1890 & 1892, Harry Fielding Reid traveled to Glacier Bay, Alaska. During the expedition, Reid mapped Glacier Bay, collaborated with John Muir, measured the movement of the glaciers, created sketches and made photographs of the glaciers, and produced 24 notebooks. The National Snow and Ice Data Center (NSIDC) has transcribed these expedition notebooks, so you can follow along with Reid's expeditions and experience Glacier Bay as he saw it over 100 years ago!
Journal I : Expedition to Glacier Bay, Alaska, Summer 1890
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