Detached small items of the Perspective Apparatus, found amongst the above (H2 to H8), and put together in a plastic box, as follows: 1 tee fitting for the rear tripod leg; 2 thumb screws for the knuckles for the front legs, differing in length and not a pair; 3 corner fittings form the case; 1 brass screw-eye and screw and nut, for mounting the peep-sight arm as described for H3; 1 spring catch as usually found to hold the linkage to the case, apparently not drilled to fit on its joint-pin; 1 spring catch, as the last, but drilled for its joint pin, lacking its spring, and with the catch end twisted through a right-angle; 1 brass slot-headed screw, of unknown purpose, found in the case of H4; 1 brass tip for a drawing pencil, found in the box with the above items Detached small items of the Perspective Apparatus 1790-1819