Cartridge maker

Collection object

Chamber D, external 2.7 internal 2.0 L. of steel section 4.3. From top of cylinder to base of curve of clamp H. 9.9. Clamp arm W. 1.55 T.0.7. Thumbscrew L to tip of projections 6.2. Lever L. including handle 14.4, handle L. 6.2. Turn handle L. 6.2, grip L. 3.6, max. D. 2.5.
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Bench cartridge closing machine, steel. Horizontal cylinder for cartridge, open at one end; at open end a screw held lever with waisted pear shaped wooden handle with brass neck ring; splayed U-shaped projection on lever to grip cartridge has grooves down prongs of U, internally; lever engraved "12". Opposite end of cylinder; a curved turn handle with wooden grip at right angles, which turns a brass chuck within the end of the chamber; the chuck is a short hollow brass cylinder, the diameter of which matches that of the open end, with a narrow cirumferential groove around the base; the housing of the handle, closing the end of the horizontal cylinder, is of brass, apparently screwed into the end of the horizontal cylinder; the threading for this extends to approximately half way along the horizontal cylinder. The horizontal cylinder is cast as one with a G-shaped bench clamp, with oval ended thumbscrew grip; top of screw has a square end with four gripping projections. Under-edge of clamp's topside has four ridges with hollows between. Steel pained green, wooden handles varnished.