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Telescope Eyepiece from Great Rosse Telescope, 1845-1850

Telescope Eyepiece from Great Rosse Telescope, 1845-1850

1845-1850
Optical parts of Lassell's telescope

Optical parts of Lassell's telescope

1840-1850
Eleven astronomical eyepieces and one terrestrial eyepiece

Eleven astronomical eyepieces and one terrestrial eyepiece

1860-1890
Mahogany chest of telescope eyepieces

Mahogany chest of telescope eyepieces

1850-1900
Eyepieces for refracting telescope by A. Coiffier

Eyepieces for refracting telescope by A. Coiffier

Focussing graticule H8xM10 eyepiece

Focussing graticule H8xM10 eyepiece

Compensating eyepiece, x 8 magnification

Compensating eyepiece, x 8 magnification

Eyepiece, pair, in situ, one with lens loose

Eyepiece, pair, in situ, one with lens loose

Caroline Herschel's telescope, 1795-1816

Caroline Herschel's telescope, 1795-1816

1795-1825
Eyepiece, x10, with bloomed lenses

Eyepiece, x10, with bloomed lenses

Eyepiece, x 5 magnification

Eyepiece, x 5 magnification

Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short

Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short

1767-1768
Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short

Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short

1767-1768
Accessories for Newtonian reflecting telescope made by William Herschel for the Radcliffe Observatory

Accessories for Newtonian reflecting telescope made by William Herschel for the Radcliffe Observatory

1812
Selection of twenty six eyepieces, in wooden mounts inscribed D1 to D26, no lens visible in D25 (possibly slipped between brass plates)

Selection of 26 eyepieces by William Herschel, 1780-1800

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D1.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D2.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D4.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D10.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
Original "Finder" eyepiece of the six-foot Rosse telescope

Original "Finder" eyepiece

1845-1850
Eyepiece, eye lens offset from axis, in case

Eyepiece, eye lens offset from axis, in case

One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D11.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D3.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D18.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D19.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D8.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D25.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D5.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D22.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D15.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D13.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
Pair of compensating eyepieces marked 10K, x10 power

Pair of compensating eyepieces marked 10K

1960-1970
Eyepieces, photomicrographic (3, marked 6,10,15)

Three photomicrographic eyepieces

1960-1970
2 orthoscopic X15 eyepieces, Meopta

2 orthoscopic X15 eyepieces

2 periscopic 15x eyepieces

2 periscopic 15x eyepieces

Micrometer eyepiece with graticule

Micrometer eyepiece with graticule

Pair of orthoscopic X10 eyepieces

Pair of orthoscopic X10 eyepieces

Pair of compensating eyepieces marked 15K, x15 power

Pair of compensating eyepieces marked 15K

1960-1970
Eyepieces, pair, with bloomed lenses, eyeshades, in rack, X15

Eyepieces, pair

Eyepieces, pair, with bloomed lenses, eyeshades, in situ, X10

Eyepieces, pair

Compensating eyepiece, made by Carl Zeiss, Jena, 1963-1967

Compensating eyepiece

1963-1967
Selection of accessories consisting of eyepieces, 2 keys for drawer and tube lock and spare roller bar for 7-foot Herschel telescope owned by Sir William Watson the younger late 18th century.

Accessories and eyepieces for 7 foot Herschel telescope

1783-1785
Compound and multiple eyepiece by Dollond, (belonged to the late Sir W. Huggins)

Compound and multiple eyepiece by Dollond

1850-1875
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D23.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D17.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D26.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
One of twenty six eyepieces, in wooden mounts made by William Herschel and used with his own reflecting telescopes, Slough, England, 1780-1800. Inscribed D6.

One of twenty six reflecting telescope eyepieces, in wooden mounts

1780-1800
Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short, London, England, United Kingdom, 1767-1768

Brass eyepiece for the reflecting telescope of 9-inch aperture by James Short

1767-1768
Pair of compensating eyepieces marked 15K, x15 power

One of two compensating eyepieces, marked 15K, x15 power

1960-1970
30mm GW 8x eyepieces

30mm GW 8x eyepieces