1898 Winchester Repeating Arms Co. 160x1092R

[TimG]

The bottom scale appears to be the product of the top scale x pi.

1092 / 3.142 " 2.54 = 882.77

TimG

Deadline222

It would appear you have an imperial "Circumfrence ruler" https://www.northwaysmachinery.com/...ce-rulers/619-durodyne-ddcr4-circumference-ru

 

[bdgreen]

5 inch Cartridge Case (5'' 40 cals.) Gun R.F., WRA Co. (1891, 1892) Bureau of Ord., 1890 (1918). Measurements given in inches. Use an online converter to convert inches to millimeters.

 

[bdgreen]

5 inch Cartridge Case for 5'' (40 cals.) Gun R.F. blueprint, WRA Co. , 1891, Bureau of Ord., 1890. Measurements given in inches.

 

[bdgreen]

5 inch (40 cals.) cartridge case, WRA Co. 1899, Bureau of Ord., 1895

 

[highlandotter]

Well. This was fun, like a detective case with false turns and all. But it was solved with the minds of all involved. Makes collecting entertaining, among other things,so much fun.

 

[HAZORD]

So, does anyone have access to info on the 5"40 and 6"40 projectiles?

 

[bdgreen]

5 inch A-P Steel Shell, WRA Co., Bureau of Ord., 1890

 

[HAZORD]

Thanks so much BD! Do you have anything on 6" 40 and 4" 40 projectiles?

 

[bdgreen]

Some 4 inch projectile drawings