At the end of the 19th century, [King Camp Gillette] had the idea of creating a disposable razor blade that didn’t need sharpening. There was one problem with this idea: metallurgy was not yet advanced enough to produce paper-thin carbon steel blades and sharpen them for a close shave....
sharper for sharpening razor blades (24, 26) to mehrklingenk\\u00f6pfen (22) with a holder (12, 12b) in which a sch\\u00e4rfelement (16, 16a, 16b, 16c) is incorporated in the sch\\u00e4rfelement (16, 16a, 16b, 16c), an outwardly projecting bulge (18; 18a. 18b; 18c) ...
When you use your stropper be careful not to over sharpen as this can ruin the edge of your blades. Also, these things are very sharp and if one is not careful, it is easy to cut one’s hands or fingers. Take your time and make sure that you understand how your sharpener works, ...
Apparatus in order to sharpen the razor bladesRANC ELAIN
Device for sharpen of razor blades and razorsVESPER WILHELM
The device in order to sharpen the razor bladesMARTIN ANDRE
Apparatus to sharpen the razor bladesMARTIN GILBERT
Apparatus to sharpen the razor blades safetyFRELIN HENRI
Apparatus to sharpen the razor bladesWILHELM HILLER
Apparatus intended to sharpen the razor bladesBUHLER EUGENE