Please be patient while they download. Exceedingly rare antique “Line of Position Computer, ” invented by Prof. Line of Position Computer description. This exceedingly rare navigation instrument is called “Line of Position Computer, ” and is essentially a mechanical navigator or circular slide rule for determining one’s location, either from morning or afternoon sightings [...]
Posts tagged line
Antique Line of Position Computer Slide Rule Charles Lane Poor Navigation NYYC
Please be patient while they download. Exceedingly rare antique “Line of Position Computer, ” invented by Prof. Line of Position Computer description. This exceedingly rare navigation instrument is called “Line of Position Computer, ” and is essentially a mechanical navigator or circular slide rule for determining one’s location, either from morning or afternoon sightings [...]