BCN gramophone needle sharpener.
Remington electric shaver/safety razor blade sharpener
IM "Pointmaster" fibre needle sharpener.
Davey Rollright Thorn needle sharpener
Rockit blade sharpener, 1909
1909
"Gem" knife sharpener, c.1928
"The Spiro" Safety Blade Sharpener - From Microbiology Lab
Razor blade sharpener
Knife cleaner and sharpener, by Spong, c.1900
1900
Drill sharpening machine
1950