02-03-2016, 05:20 PM
Slide rules are rather out of date but they don't require batteries!
What I like about them is you can see a variety of answers linearly, such as 25nm divided by 3kn.
I wish I had piles of them- you can make a fortune on ebay as they are going up in price.
What I like about them is you can see a variety of answers linearly, such as 25nm divided by 3kn.
I wish I had piles of them- you can make a fortune on ebay as they are going up in price.