A little bit of math to calculate how much of the lead is actually used and ends up on the page or better said how much is wasted away during sharpening.
A very shor explination from SteveMould
Popular Posts
-
This is the best and most fun game you can play, and you have to try it now. Why? Because it's hilarious, fast-paced, everyone in the... -
I am a long Rotring Tikky user and today I will share with you the beloved mechanical pencil. I got my first Rotring mechanical penci... -
Rotring has moved away from fountain pens over the years. The only fountain pen model that is still available is the Rotring Artpen, whic... -
Jinhao made me very curious with one of its latest fountain pen in the lineup. I had to have the pen just because of its nib. It is a bit un... -
The fountain pen ink is produced by Koh-I-Noor in the Czech Republic. It comes in a plastic bottle, 50 g (or roughly 50 ml) like in the pi...