As it was still foggy and dark, and as the shop was blinded besides by the wall of Lincoln's Inn, intercepting the light within a couple of yards, we should not have seen so much but for a lighted lantern that an old man in spectacles and a hairy cap was carrying about in the shop. 
We could only see all this by a lantern carried by an old man in the shop, in spectacles and a hairy cap. 