Galilean bone telescope in two sections with removable lense-cap at one ens

Made:
1600-1850 in Europe

Galilean bone telescope in two sections with removable lense-cap at one ens, unsigned, Europe, 1600-1850. The thread of the screw connecting the two halves is not holding them together.

Details

Category:
Optics
Object Number:
1938-148
Materials:
bone and glass
Measurements:
overall: 151 mm 21 mm, .059kg
type:
telescope - galilean, telescope - terrestrial and telescope - refracting
credit:
Sotheby and Compan