Norman Lockyer’s Seven-Prism Spectroscope and Eyepiece
1868
Ramsden micrometer eyepiece, in case
Selection of eyepieces and other accessories in fitted mahogany case for (Smyth) refracting telescope
1830
Hawkseye eyepiece
Eyepiece cap with shutter
1750-1850
Lens in brass holder
1850-1924
Diagonal Spy Glass
1770
Eyepiece with 39mm focal length
Brass eyepiece for the English Reifler escapement astronomical clock designed by E. T. Cottingham
1923-1925
Eyepiece from telescope
1850-1924
Eyepiece for levelling a tripod stand above a fixed point
1960
Eyepiece focusser by Amici
Accessories for "Dick" petrographical microscope
Eyepiece A with 120x magnification
Eyepiece B with 119x magnification
Eyepiece and objective lens
1863-1875
Compensating eyepiece, marked 10K, x10 power
1960-1970
Eyepiece and lights mounted on a wooden stand
Accessories for TAL-1 Amateur Astronomer Telescope
Set of eyepieces, for 6-inch aperture refracting telescope, in mahogany box
1884
Eyepiece, 7 1/2-inch focal length, from Huygen's aerial telescope
1686-1691
Eyepiece, from Huygen's 210-Foot aerial telescope
1686-1691
Three eyepieces and two filters for refracting telescope
1851-1900
Eyepices for Two-foot geodetic theodolite
1826-1928
Eyepices for Two-foot geodetic theodolite
1826-1928
Steel eyepiece, on brass and steel bracket, from Groth's universal apparatus
Brass and steel eyepiece, on steel bracket, from Groth's universal apparatus
Eyepiece for Cassegrain reflecting telescope by James Watson
Eyepiece D
Compensating eyepiece, marked 10K, x10 power
1960-1970
Accessories for Celestron Firstscope 60
Brass and steel eyepiece, from Groth's universal apparatus
Two brass eyepieces and seven glass components, from Groth's universal apparatus
Six brass eyepiece components, plus a steel component, from Groth's universal apparatus
Eyepiece, 10-inch focal length, from Huygen's aerial telescope
1686-1691
Eyepiece, 6-inch focal length, from Huygen's aerial telescope
1686-1691
Eyepieces and other accessories in mahogany case with drawer for Smythian telescope
1825-1829
Accessories for refracting telescope by Charles Tulley
1822
Box containing eyepieces and other accessories for refracting telescope by Wray.
1875
Extension eyepiece
1945-1954
Case, with accessories for Powell and Lealand No.1 microscope, 1874
1874
Orthoscopic eyepiece (catalogue no.E100) focal length 4mm
Erfle eyepiece (catalogue no. E59) focal length 15.5mm
Huyghens eyepiece by Ladd, London, c.1872
1872
Kelner eyepiece (catalogue no.E.91) focal length 6mm
Eyepiece lens for endoscope
1875-1885
Eyepiece lens, part of embryograph
1871-1900
Eyepiece lens, part of embryograph
1871-1900
Rhobomhedral crystal of 'Iceland Spar' with magnifier
1880-1920
Pair of accessory eyepieces for Kodak Universal Stereoscope
1940