H.
Hughes & Son, 59 Fenchurch St., London trades as the New London Photographic Stores- see picture of an advertisement (not included)
An 1890s, Xela B R.R. (almost certainly Rapid Rectilinear), f8 , approx. 9” focal length and 44.12mm across
outside of threads, about 2.25” long. Takes Waterhouse stops - none included. There is some dust inside, a slight ding to the back rim. Finish is marked - see photos.