With a cast iron frame designed to be screwed down to the desktop, this machine eliminated the need for whittling and sanding pencils, and saved businesses countless hours in lost productivity.
It’s called a “Planetary Pencil Sharpener” because it relies on planetary gears revolving around a sun gear, and all are held in place with a ring gear.
Spirograph worked on the same basic principal, but it sure as hell couldn’t sharpen a pencil.


This is truly amazing. How do they even think of such modern inventions
LikeLike
And the man/woman/person in the ad has a woodgrained thumbnail. What’s not to love about the PPP
LikeLike
Tony McG – What a blast from the past. Nice to see you here. I thought everyone had woodgrained thumbnails just like me.
LikeLike
Not me, mine are just regular hard stuff
LikeLike
Rock on, bro. We’re coming up on Halloween, here.
LikeLike