Cary Co. London Station Pointer, Ministry of Defense Rolling Ruler- Boxed Set stadimeter Gemstone: Blue Topaz

Gemstone: Blue Topaz

and continued for navigational and cartographic purposes until the International Meridian Conference in 1884

Inside Paper Reads:

With original lenses & superb optics

thus elongating the champagne's life-cycle

Cary Co. London Station Pointer, Ministry of Defense Rolling Ruler- Boxed Set stadimeter Gemstone: Blue TopazAntique late 19th Century Station Pointer by Cary Co. London sold with a Brass Maritime Rolling Ruler boxed set. Both included in their original wood cases. Station Pointer features a silvered brass 360 degree graduated scale. Used primarily for maritime navigation and surveying to calculate precise location. Station pointer does not include additional extension rods. Maritime Rolling Rulers were used primarily to draw parallel lines on navigational