A helpful comparison
.....................BULK.................................DENSE
.......E.C. No.1.....DuPont...Schultze........Walsrode Green.....Ballistite.....Infallible
3 Dram....42...........36.5..............42................30.....24..............22 grains
3 1/4....45.5.........40................45................32.....26..............24 grains
3 1/2....49............43................48................34.....28..............26 grains
The original Schultze & E.C. No. 1 Bulk Smokeless were 14 grains/drachm.
New Schultze, New E.C.(Improved) No. 2, and DuPont Bulk Smokeless were 12 grains/drachm.
E.C. No. 3 was 11 grains/drachm or 33 grains = 3 Dr. Eq.
Later advertisements and load listings showed Ballistite and Infallible as equivalent.
