Details
An 18th-Century English brass sector,
signed I. Worgan fecit, the hinge engraved with a rose, the instrument engraved with an hour scale, an incline scale and scales for latitude, chords, tangents, sines and others -- 12in. (30.5cm.) long opened
See Illustration
signed I. Worgan fecit, the hinge engraved with a rose, the instrument engraved with an hour scale, an incline scale and scales for latitude, chords, tangents, sines and others -- 12in. (30.5cm.) long opened
See Illustration