My latest Grubb lens, a Petzval type A2 CDV and Portrait lens, has arrived. It is No 2558. I suspect it may be from the late 1860s. It is generally in good condition, apart from having a bent pinion with no wheel, but the lens will move in and out. I see that, according to the Salomons ad, this lens was for CDV and 4x3 images. It did not come with any Waterhouse stops, even though it was originally supplied with 7 of them.
Grubb Salomon Advert 02.pdf
I have also been offered an article which Howard wrote in 1879 about stereoscopy. I am to get it on Monday and, if it contains anything of potential interest to members here, I will post it.
William
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