A cased 5 shot 120 bore Beaumont-Adams Patent double action percussion revolver, 10 ¼” overall",4 3/8” blued octagonal sighted barrel ,signed “London Armoury” on the blued top flat. Border engraved blued frame, the right side of the frame engraved “B9047 Adams’ Patent No. 24718.R”, blued cylinder stamped with London proof marks and engraved with serial number “24718.R”. Blued Kerrs patent rammer, safety bolt, arbor pin and screw and butt straps, blued trigger guard and butt cap , finely chequered walnut butt. In its original green baize lined and fitted oak case with plain, circular brass escutcheon containing double cavity brass 120 bore mould for pointed and round bullets stamped “Registered R. Adams 28 Nov. 1851” and “120”, cleaning rod with worm, oil bottle by Hawksley; Sons, bag shaped copper flask by Hawksley, nipple key, and Eley Bros. cap bag.
Very good working order and condition, retaining approximately 95% of its original finish.
Lt. Frederick Blackett Edward Beaumont, R.E., was granted a patent in February 1855 for a double action lock mechanism, based upon Robert Adams' self-cocking design, and assigned it to Robert Adams personally in July 1855, subject to payment of a royalty for every pistol made under it