Yes, the 7.5 Swiss revolver cartridge (aka the 7.5 x 22.8, 7.5 x 23.10, and 7.5 mm Model 1882) is a rimmed revolver cartridge with a case about 23mm (0.9") in length. The 7.5 Swiss rifle cartridge (aka the 7.5 x 55) is a rifle cartridge. The situation is similar to the U.S. Army using a .45 revolver at the same time they were using a .45 (.45-70) rifle. Same caliber, much different cartridges.
Jim
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