Combination telescope

Made:
1850-1900 in Europe

Combination telescope, microscope, and multiplying glass, screwed together with one separate section, unsigned, Europe, 1850-1900. The broadest section has a cut-glass sense with several faces, the middle section has one magnifying lens and the smaller has a tiny magnifying lens in separate ivory holder which can be set in a hole at a right angle to the others, opposite an upright pin, which is viewed through it. This section also has another magnifying, partly frosted, lens on one end, with the cover missing. The separate part of the object has a wide lens at one end, and a pinhole one at the other.

Details

Category:
Optics
Object Number:
1917-100
Materials:
ivory and glass
Measurements:
main part, telescope etc.: 132 mm 31 mm,
microscope attachement: 21 mm 20 mm,
overall weight: .092kg
type:
telescope - galilean, telescope - terrestrial, telescope - refracting, multiplying glass and microscope
credit:
Court, Thomas Henry