yknpdlr's latest activity

This was my air navigation computer. it is a circular slide rule, among other flight calculation tools. The reverse side is used for...

I will never consider a compass as obsolete. it is my primary navigation tool and will remain so, even though at times I do carry and...

During the past two winters the extra heavy lake effect snow has defined, my XC skiing, when I have time away from other activities. It...

Gordon's comes in several sizes. You only need the 8 oz bottle that will last a very long time with dilution. personally I do not dilute...

At Tractor Supply, you can buy an 8 oz bottle of permethrin for $12.99. Was just $9.99 a couple of years ago when I last checked. it is...

i have one of those triangular scales, as well as a couple of slide manual rules. I did not much have need to use the scale as intended...