Objective lens by John Reeves
1657-1689
One of two old lenses, in lead mount
Astronomical object glass lens of 10-inch diameter by G. & S. Merz
1867-1904
Two old object glasses of 2 1/4-inch aperture by John Reeves and Edward Scarlet respectively
1657-1779
One of two old lenses, in wood mount
One of two old object glasses of 2 1/4-inch aperture in wood mount by Edward Scarlet
1705-1743
Objective lens (4-inch) of around 30 feet focal length with wooden case and marked
1930-1939
Objective glass lens of about 17 feet focal length, c 1945
1935-1955