Patent for a new and improved cartridge loader. This design "consists of a filling attachment to cartridge-loading blocks, which is composed of a hopper part having discharge-tubes in the bottom and a perforated and spring-actuated slide-piece having perforations registering with said tubes, and of a lower part having upwardly-extending tubes sliding on the bottom tubes of the hopper and downwardly-extending tubes of conical shape . . . and are opened or closed by a second spring-actuated slide-piece" (lines 16-26).