Details
A late 18th-Century ebony framed octant, signed on the ivory arc Brown Bristol with brass index arm, 'pin-hole' sight, mirrors, three shades, vernier with tangent screw and clamp, the ivory scale divided 0°o-100°o in stepped mahogany case with trade label
Benjamin Brown Mathematical Instrument Maker
at the Mariner
Opposite Crane No. 2 on the Quay, Bristol
Makes and sells all sorts of Hadley's quadrants, sextants, Azimuth
Cabin and Binnacle _ _ _ Gunter's scales, dividers Bc
wholesale and retail at the lowest prices. SEA CHARTS & Navigation Books - 17¼in. (44cm.) long.
Benjamin Brown Mathematical Instrument Maker
at the Mariner
Opposite Crane No. 2 on the Quay, Bristol
Makes and sells all sorts of Hadley's quadrants, sextants, Azimuth
Cabin and Binnacle _ _ _ Gunter's scales, dividers Bc
wholesale and retail at the lowest prices. SEA CHARTS & Navigation Books - 17¼in. (44cm.) long.