Vulcanite Mounts, Glass Barrel, with Graduated Piston ... each 2/0
No. D R 163 S.
As above, but with Metal Fittings, in Nickel case ... each 4/6
No. D R 164 S.
Nickel-plated Mounts, Glass Barrel, Graduated ... each 2/11
Vulcanite Mounts, but with Graduations on Glass Barrel ... each 2/9
As above, and fitted with Metal Finger Pieces, as 163 S ... each 3/6
