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A. ABRAHAM, LIVERPOOL. 19TH CENTURY
细节
A lacquered-brass mining dial
A. Abraham, Liverpool. 19th Century
Signed on the silvered compass face A. Abraham. Liverpool, the compass with glazed cover, two degree scales around the circumference, eight compass points, edge-bar needle and clamp, with a brass cap with scales for 45°-0-45° and for Diff of Hypo & Base, the brass frame with two bubble levels and twin folding sights, raised on a simple staff mounting and display base -- 9¾ in. (24.8 cm.) high; and
A LACQUERED-BRASS COMPOUND MONOCULAR MICROSCOPE, A. Ross London, 19th Century, signed on the foot A. Ross London 1720, with rack and pinion focusing and micrometer fine adjustment, one eyepiece, single nosepiece with one unmarked low power objective, a simple stage and plano-concave substage mirror, the main limb supported on an axis from a Ross No. 2 stand with a Y-shaped foot -- 16 in. (40.6 cm.) high (minimum) (2)
A. Abraham, Liverpool. 19th Century
Signed on the silvered compass face A. Abraham. Liverpool, the compass with glazed cover, two degree scales around the circumference, eight compass points, edge-bar needle and clamp, with a brass cap with scales for 45°-0-45° and for Diff of Hypo & Base, the brass frame with two bubble levels and twin folding sights, raised on a simple staff mounting and display base -- 9¾ in. (24.8 cm.) high; and
A LACQUERED-BRASS COMPOUND MONOCULAR MICROSCOPE, A. Ross London, 19th Century, signed on the foot A. Ross London 1720, with rack and pinion focusing and micrometer fine adjustment, one eyepiece, single nosepiece with one unmarked low power objective, a simple stage and plano-concave substage mirror, the main limb supported on an axis from a Ross No. 2 stand with a Y-shaped foot -- 16 in. (40.6 cm.) high (minimum) (2)
注意事项
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis