CUNS AND LOADING. 499 



gives very little chamber pressure and recoil when fired. 

 In loading it, a black powder bulk measure should be 

 used." This is the table : 



COMPARATIVE MEASURES OF NITRO POWDERS. 



Black Powder. 3 « ^-s • ,? '^^ "S 



O 3 N/u 



M Mi^ h5o ^ ^-^ te;6^ fe 



2 drams equal to 24 28 25 25 24 16 



2%. drams equal to. 27 31^ 28 29 27 18 



2j4 drams equal to. .. .... 30 35 31 2Z 30 20 22 



2^ drams equal to 22 38^ 34 37 22 22 27 



3 drams equal to 36 42 2>7 4° 36 24 29 



zYa drams equal to 39 45;^ 40 42 39 26 31 



3I/2 drams equal to 0. 42 49 43 45 42 28 35 



3^ drams equal to 52^ 46 48 45 30 38 



4 drams equal to .. 56 49 50 48 32 



4% drams equal to 59^ 52 



4J4 drams equal to .. 63 55 



The maximum load of Walsrode for a ten-gauge gun 

 is given by the manufacturers as forty grains, which is 

 nearly the equivalent of four and a quarter drams of 

 black powder. For an eight-gauge the maximum 

 charge is fifty-eight grains. 



Of the new Robin Hood powder, we are told that 

 three and a quarter drams, bulk measure, well wadded, 

 with one and an eighth to one and a quarter ounce of 

 shot, gives a good pattern. An increased amount of 



