About this site

. A plate for printing 7.5" Admiralty steering cards -consists of a square steel printing plate, engraved with a 7.5" (19cm), graduated to 1/4 points and quadrantally in degrees. Has a "Royal Crown" below N point decoration.
1840
National Maritime Museum

. A plate for printing 9.4" Admiralty steering cards -consists of a square steel printing plate engraved with a 9.4" (23.8cm), graduated to 1/4 points and quadrantally in degrees. Has a "Royal Crown" below N point decoration.
1840
National Maritime Museum

. A plate for printing Admiralty Standard cards -consists of a steel printing plate engraved with a 6.75" (17.1cm), graduated to 1/4 points and quadrantally in degrees. Has a "Royal Crown" below N point decoration.
1840
National Maritime Museum

. A small box containing two ruby pivots.
1840
National Maritime Museum

. A specimen of a bell-shaped weight and jewel cup, on which the compass card was mounted with the object of steadying it.
1840
National Maritime Museum

. Bowl-Brass painted black, glazed top and bottom. Has a "screw" stop mechanism on side which operates, by means of a radical bar, a sleeve on the pivot stem, thus lifting the card. Painted white on inside with a black painted lubber line. Top g
1840
National Maritime Museum

. Bowl-Brass painted black. glazed. White on inside with painted black lubber line. Azimuth circle with sights runs on three rollers. Fore sight of arch and thread with jet reflector. Back sight of slit and peephole with two sun filters and a prism. Glazi
1840
National Maritime Museum

. Card- Mica covered with paper, painted green with black markings, graduated to 16 points, edge of card graduated quadrantally in degrees. Needle-Flat bar type, 5.8" (14.7cm) long, with square ends. Secured to card by two brass screws. A hole is pro
1840
National Maritime Museum

. Card- Mica covered with paper, white with black markings, graduated to 1/2 points and quadrantally in degrees, with decorated East point. Needle- Flat bar type with pointed ends 6.9" (17.6cm) in length. The centre of needle expanded to provide aper
1840
National Maritime Museum

. Card-Mica covered with paper, blue with black and blue markings, graduated to 1/4 points and quadrantally in degrees. Needle- Four heavy bar edge needles, of rolled and hammered steel. The two central needles 7.25" long each of four laminations, 0.
1840
National Maritime Museum

. Card-Mica covered with paper, blue with black and blue markings, graduated to 1/4 points and quadrantally in degrees. Needle- Four light bar edge needles, composed of two laminations of rolled clock spring steel, 2 x 7" and 2 x 5" long and 0.5
1840
National Maritime Museum

. Card-Mica covered with paper, blue with black and blue markings, graduated to 1/4 points, about 1" from edge is a circle of degree graduations with two rows of figures 0-90 quadrantally and 0-360. Needle- Four light bar edge needles, composed of t
1840
National Maritime Museum

. Card-Mica covered with paper, blue with black and white markings, graduated to 1/4 points and quadrantally in degrees. Needle- Four light bar edge needles, composed of two laminations of rolled clock spring steel, 2 x 7" and 2 x 5" long and 0.
1840
National Maritime Museum

. Card-Mica covered with paper, blue with black and white markings, graduated to 1/4 points and quadrantally in degrees. Needle- Four light bar edge needles, composed of two laminations of rolled clock spring steel, 2 x 7.25" and 2 x 5" long and
1840
National Maritime Museum

. Card-Mica covered with paper, white with black and white markings, graduated to 1/4 points and quadrantally in degrees. Needle- Four light bar edge needles, composed of two laminations of rolled clock spring steel, 2 x 7.25" and 2 x 5.25" long
1840
National Maritime Museum

. Dry card compass
1840
National Maritime Museum