Arne, thanks for the correction. It was a mistake, not a typo.
Arne, thanks for the correction. It was a mistake, not a typo.
Here is an 1865 advertisement with prices for Globe lenses:
Attachment 194687
Carleton Watkins would have used the 16inch version for the mammoth plate which cost $275 in 1865 or about $4,330 in 2019 dollars.
Thomas
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