Refracting telescope of 1 1/2-inch aperture and 15-inch focal length by W. & S. Jones

Refracting telescope of 1 1/2-inch aperture and 15-inch focal length by W. & S. Jones, London, on an adjustable equatorial mounting with wooden case. Accessories include 3 dark glass filters, 4 reading eyepieces for the scales, a diagonal and a spirit lamp with stand [RAS No.136]. Presented to the Royal Astronomical Society in 1899 by Miss Moore.

Details

Category:
Astronomy
Object Number:
1931-346
Materials:
mounting & tube, brass and optics, glass
Measurements:
overall (estimate): 550 x 450 x 400 mm
type:
telescope - refracting and equatorial instrument
credit:
Royal Astronomical Society

Parts

Case for refracting telescope of 2 inch aperture and 17 inch focal length by W & S Jones

Case for refracting telescope of 2 inch aperture and 17 inch focal length by W & S Jones

Case for refracting telescope of 2 inch aperture and 17 inch focal length by W & S Jones, London, on an adjustable equatorial mounting

Measurements:
overall: 720 x 340 x 330 mm
Materials:
mahogany and fittings, brass
Object Number:
1931-346 Pt1
type:
components , storage boxes and instruments
Refracting telescope of 1 1/2-inch aperture and 15-inch focal length by W & S Jones

Refracting telescope of 1 1/2-inch aperture and 15-inch focal length by W & S Jones

Refracting telescope of 1 1/2-inch aperture and 15-inch focal length by W & S Jones, London, on an adjustable equatorial mounting. Accessories include 3 dark glass filters, 4 reading eyepieces for the scales, a diagonal and a spirit lamp with stand [RAS No.136]. Presented to the Royal Astronomical Society in 1899 by Miss Moore.

Measurements:
box: length 180 mm
box: width 180 mm
box: height 60 mm
part: length 500 mm
part: width 5 mm
part: height 5 mm
length 300 mm
width 400 mm
height 550 mm
Materials:
brass (copper, zinc alloy) and glass
Object Number:
1931-346 Pt2
type:
instrument component , equatorial instrument and telescope - refracting