Earliest source: William Cranch Bond and George PHillips Bond [and Joseph Winlock]. Annals of the Astronomical Observatory of Harvard College / 1859-1860 vol. 7. Welch, Bigelow, & Co., 1872.annals7
A photo of William Cranch Bond. Bond died in 1859, while negative photography was still relatively new, but a negative of him must have existed in order to print this image, which is taken from the 1872 Annals.annals7 I'm unsure of the printing technology used here. At first I assumed it was a photolithograph, however no halftone screen is visible (although it could be a gravure method). This could also be a photo pasted into each copy, probably an albumen print, although I don't see all the edges if it's pasted - which could be a scan quality issue.
This is only the second image of him I'm aware of, the first being the painting above. All other images I've seeen are versions of one of these two original sources. The 1855 date given here is a fairly wild guess of when the photograph that it was based on was taken.
It's a fairly early example of a printed photograph, but not crazy early. Photographs in print didn't really become common until 1880s or especially 1890s, but photographs had been in print experimentally since about 1835, and to a limited degree in professional publishing since the early 1850s.
Crazy hair, right? I think some of the images derived from this original take a little artistic license, and make it even a bit more wild. I haven't had time to research his hair, but it's definitely an avenue of exploration. Was this fashionable? Unfashionable? Mad-scientist? Did people mention his hair in the published memorials of him? So many important questions remain.
A very good quality engraving based on the photo in Annals 7. This source says it is based on an "engraving" from Annals, but that's clearly not the case.
To my eye, they've enhanced his hair a bit. His head also seems slightly less tilted but I think the entire portrait is just rotated.
Very low quality image, but it suggests a possible alternative source of the photograph of Bond, as this does not seem to me to derive from the printing in Annals 7. It gives me hope that I might track down a better quality photo of him, however I haven't found this anywhere besides Britannica yet.
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