Sep 8– “Ice and Glaciers” by Hermann von Helmholtz (1865) translated by Edmund Atkinson
Summary:
Commentary: This one as kind of a pain to find. In the end, I read the copy out of my scan (thanks St. Michael's College!) since I couldn't find it illustrated anywhere else. Earth is covered in "obscure heat rays" which sounds like an 1800s sci-fi defense system, but is really just radiant heat.
This is a talk that'd probably go a lot better today. While slide projector ancestors did exist back in 1865, they weren't super common. There's a lot of "and this is near this place, which is in this direction from this place" which would probably benefit from a Powerpoint. He'd probably wind up using too many and ruining it anyway.
The glacier part of this (the latter half) fine, but I actually liked the introduction (on climate/ice more generally) more.
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