Object Title

Percussion breech-loading carbine - Jenks Patent

Percussion breech-loading carbine - Jenks Patent


about 1841

Object Number



Old Tower Collection

Physical Description

William Jenks' (Columbia, South Carolina) U.S. Patent No. 747 of May 25th 1835.
Back-action lock held at tail by hooking under woodscrew. Plate and cock engraved with double border lines, no other markings. The action is operated by grasping a thumbpiece on the left side of the breech and pulling upwards and back. A lever inlet and lying along the top of the small thereby rises and by means of a hinged bar pulls back a circular breech piston, thus opening the breech for loading with loose components. The breech is closed by simply pushing the lever down, when it springs shut by spring action. The forward flat section of the lever covers the aperture in the top of the breech. There are no obturating devices. Made generally after the style of the Pattern 1833, Manton, Carbine. Stocked to 5/16 in. of the muzzle, fore-end cap is flat brass plate incorporating trumpet pipe. Barrel retained by two slides without escutcheons. Sling bar on left side retained at front by screw through stock from right side, at rear by screwing into stock. Brass furniture throughout includes scroll trigger guard, and buttplate of design used on Brunswick Rifle.
Browned twist barrel has no external markings. Top flat extends 2 1/4 in. from tang which forms extension for breech mechanism. The snail is of typical Lovell pattern, flat-sided. The top of the breech flat or nocksform has a circular hole through it into the barrel, through which the arm is loaded with ball and powder. Small iron blade foresight brazed to barrel, scooped-block back sight brazed 2 3/4 in. from breech.


Browned barrel



BarrellLength26 in.
BarrellLength660 mm
OverallLength80 in.
OverallLength1050 mm
OverallWeight3.73 kg
OverallWeight8.6 lb


Serial Number None visible


0.71 in

Inscriptions and Marks

Double border lines
Plate and cock



Four of these carbines where bought from Jenks' agent, Dr. Alexander Jones, who had made them in Belgium in 1841. They were issued for trail to the 2nd Regt. North British Dragoon Guards, 10th Royal Hussars and 13th Royal Dragoons. They reported cleaning and loading difficulties and did not attain the speed four rounds per minutre achievement in American trails of the system. The system was therupon discarded.