Yes, but I actually don't know. I'd really like to have some idea on those old printing techniques, but I fear we're drifting to off topic subjects...So the actual origin of that ›Capital script G‹ may well have been custom handwriting invention.
The mathematical symbols are too well aligned, and too similar from one equation to the other to be handwritten. Furthermore, some greek letters (not shown in the photos) have an aspect which seems incompatible with handwriting. I really think a more standardized process than handwriting was used. Maybe something stencil based ?
Possibly. Something like that: http://www.creativbay.de/ebay/bilder/a0294.jpg –?
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