Cooper, J.M.& Co.

Name	Street	Town	State	From	To
Cooper, J.M.& Co.	Corner First & Short	Pittsburgh	Pennsylvania	1850s	1864
Cooper, J.M.& Co.	Corner First & Short	Philadelphia	Pennsylvania	1864	1869

Patent	Date	Remarks

Contract	for

Product
Total production of all Cooper guns was about 15,000 guns Pittburg production 1st Model .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein cylinder with 10 oval cylinder notches and brass gripstraps, about 100 were made 2nd Model, 1st variation (made in a new serial number range from 1 to about 900) .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein cylinder with 5 rectangular cylinder notches and iron gripstraps, about 100 were made 2nd Model, 2nd variation .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches and iron gripstraps, marked MANF'D. BY J. M. COOPER & CO PITTSBURGH. PA and PATD APR 25, 1854 PATD JAN 7, 1861 REISSD JULY 26, 1859 about 800 were made 6", right side 6", markings 6", markings on top of the barrel Philadelphia production 1st Pocket Model Revovler .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, and added 1863 patent dates but without the 1859 date, unfluted plein cylinder with 5 rectangular cylinder notches and brass gripstraps, numbered from 1 to about 400 2nd Pocket Model Revovler, 1st variation .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches, cylinder bolt on the left side of the frame, brass gripstraps, numbered from about 400 to about 500 2nd Pocket Model Revovler, 2nd variation .31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches, cylinder bolt on the right side of the frame, brass gripstraps, numbered from about 500 to about 11000 4", right side 3rd Pocket Model Revovler .31 caliber percussion, 6 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein increased cylinder diameter, marked FRANKFORD PHILA PA./ PATD JAN, 7 1851 / APR 25 1864 SEP 4 1860 / SEP 1 1863 SEP 22. 1863, numbered from about 11000 to about 15000 5", 6-shot, right side 5", 6-shot, right side 1st Navy Model Revovler .36 caliber percussion, 5 shot double action Navy Model Revolver, 4", 5" of 6" octagonal barrel, three ligned barrel address, unfluted plein cylinder, iron gripstraps, numbered from 1 to about 400 2nd Navy Model Revovler .36 caliber percussion, 5 shot double action Navy Model Revolver, 4", 5" of 6" octagonal barrel, three ligned barrel address, rebated cylinder, brass gripstraps, numbered from 400 to about 15000 4", 5-shot, right side 4", 5-shot, markings on barrel

Product

Total production of all Cooper guns was about 15,000 guns

Pittburg production

1st Model

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein cylinder with 10 oval cylinder notches and brass gripstraps, about 100 were made

2nd Model, 1st variation (made in a new serial number range from 1 to about 900)

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein cylinder with 5 rectangular cylinder notches and iron gripstraps, about 100 were made

2nd Model, 2nd variation

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches and iron gripstraps, marked MANF'D. BY J. M. COOPER & CO PITTSBURGH. PA and PATD APR 25, 1854 PATD JAN 7, 1861 REISSD JULY 26, 1859 about 800 were made

6", right side
6", markings
6", markings on top of the barrel

Philadelphia production

1st Pocket Model Revovler

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, and added 1863 patent dates but without the 1859 date, unfluted plein cylinder with 5 rectangular cylinder notches and brass gripstraps, numbered from 1 to about 400

2nd Pocket Model Revovler, 1st variation

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches, cylinder bolt on the left side of the frame, brass gripstraps, numbered from about 400 to about 500

2nd Pocket Model Revovler, 2nd variation

.31 caliber percussion, 5 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, barrel address with Frankford Philadelphia, barrel address changed, unfluted plein cylinder with 5 rectangular cylinder notches, cylinder bolt on the right side of the frame, brass gripstraps, numbered from about 500 to about 11000

4", right side

3rd Pocket Model Revovler

.31 caliber percussion, 6 shot double action Pocket Model Revovler, 4", 5" or 6" octagonal barrel, unfluted plein increased cylinder diameter, marked FRANKFORD PHILA PA./ PATD JAN, 7 1851 / APR 25 1864 SEP 4 1860 / SEP 1 1863 SEP 22. 1863, numbered from about 11000 to about 15000

5", 6-shot, right side
5", 6-shot, right side

1st Navy Model Revovler

.36 caliber percussion, 5 shot double action Navy Model Revolver, 4", 5" of 6" octagonal barrel, three ligned barrel address, unfluted plein cylinder, iron gripstraps, numbered from 1 to about 400

2nd Navy Model Revovler

.36 caliber percussion, 5 shot double action Navy Model Revolver, 4", 5" of 6" octagonal barrel, three ligned barrel address, rebated cylinder, brass gripstraps, numbered from 400 to about 15000

4", 5-shot, right side
4", 5-shot, markings on barrel