quintant
Date1845-1860
Inventory Number5317
ClassificationQuintant
Subject
Maker
Spencer, Browning, & Company
fl. 1840 - 1870
Repaired by
John Kehew
fl. 1845 - 1860
Cultural Region
Place of Origin
Dimensionsinstrument: 22.7 × 26.5 × 10.3 cm (8 15/16 × 10 7/16 × 4 1/16 in.)
case: 12.7 × 27.8 × 33 cm (5 × 10 15/16 × 13 in.)
case: 12.7 × 27.8 × 33 cm (5 × 10 15/16 × 13 in.)
Material
AccessoriesKeystone mahogany box, sight tube, telescopes (2, 3.25" and 7"), sunshade, adjustment tool
DescriptionThis quintant with a 7.3" radius is made out of blackened brass, and it has a lattice [ladder] frame with an oval center.
The index arm is made of reinforced brass, with a swinging vernier magnifier, 15' vernier, fine adjustment screw under vernier, -5° to 150° scale.
There are 3 horizon shades and 4 index shades.
The index arm is made of reinforced brass, with a swinging vernier magnifier, 15' vernier, fine adjustment screw under vernier, -5° to 150° scale.
There are 3 horizon shades and 4 index shades.
Signedengraved on limb: Spencer, Browning & Co. London
on trade card in box: John Kehew. Mathematical, Optical & Nautical Instrument Maker. and Nautical Stationer. 49 North Water St. New Bedford All kinds of Nautical Instruments carefully repaired and practically adjusted
Historical AttributesHaving been repaired in New Bedford, Massachusetts, this quintant may have been used on a whaling ship.
McMillan & Talbott
Date: 1862-1873
Accessories: keystone mahogany box, sight tube( 3.25"), telescopes (2: 3.25" and 7.375"), eyepiece shade
Object number: 5305
George Whitbread
Date: 1828-1844
Accessories: Mahogany keystone box, telescopes (3), sight tube (1), adjustment tool, tube
Object number: 5307
Peter A. Feathers
Date: 1842-1874
Accessories: Square mahogany box, one shade tube (8.4 cm), one erecting telescope (8.3 cm), and one inverting telescope (18.3 cm) with four crosshairs, one pin tool
Object number: 5333
William Gerrard
Date: 1862-1890
Accessories: rectangular mahogany box, telescopes (2), sight tube, eyepiece shade, eyepiece
Object number: 5263
Edward Troughton
Date: 1804-1826
Accessories: Mahogany keystone box, stenciled in white paint on top and side of lid "P. Townsend"; 2 Telescopes; 1 Eyepiece
Object number: 5308
Heath & Company, Ltd.
Date: 1875-1890
Accessories: 7 1/8" telescope, 3 1/4" shade tube, 3 1/4" telescope, eyepiece shade, and mahogany box. with "4" on lid and "H" on front
Object number: 5311
Spencer, Browning, & Company
Date: 1843-1850
Accessories: box with key, adjustment tool, telescope, eye tube, eyepiece shade
Object number: 5248
Joseph Sewill
Date: circa 1850
Accessories: Keystone mahogany box, sight tube, adjustment tool, (telescope missing)
Object number: 5334
Henry Duren
Date: 1852-1861
Accessories: keystone box (mahogany?), second telescope (3.25") in box
Object number: 5306
