Refracting telescope with observatory mounting, 1884

Made:: 1884 in Republic of Ireland and Dublin

maker:: Howard Grubb

$Refracting telescope with observatory mounting, 1884$

Science Museum Group
© The Board of Trustees of the Science Museum

Refracting telescope by Howard Grubb, 1884, on equatorial mounting, aperture 6 inches, with clock drive and accessories

Details

Category:: Astronomy

Object Number:: 1985-1470

Materials:: steel, brass and glass

Measurements:: overall: 3000 x 2800 x 750 mm

type:: telescope - refracting

credit:: The Old Clock Shop

Cite this page

Rights

We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero . Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.

Parts

Refracting telescope by Grubb, 1884, on equatorial mounting, aperture 6 inches, with clock drive

Refracting telescope by Grubb

Refracting telescope by Grubb, 1884, on equatorial mounting, aperture 6 inches, with clock drive

Measurements:: overall: 3000 mm x 2500 mm x 750 mm, 427 kg

Materials:: steel (metal) , brass (copper, zinc alloy) and glass

Object Number:: 1985-1470 Pt1

type:: instrument component and telescope - refracting

6-inch aperture for refracting telescope object glass, in wooden case

6-inch aperture for refracting telescope object glass, in wooden case

Object glass of 6-inch aperture in wooden case for refracting telescope, on equatorial mounting by Grubb, 1884

Measurements:: overall (case): 60 x 220 x 220 mm

Materials:: lens, glass , cell, brass and case, wood

Object Number:: 1985-1470 Pt2

type:: instrument component and objective lens

Image ©: The Board of Trustees of the Science Museum

Set of eyepieces, for 6-inch aperture refracting telescope, in mahogany box

Set of eyepieces, for 6-inch aperture refracting telescope, in mahogany box

Set of eyepieces in wooden case for refracting telescope of 6-inch aperture, on equatorial mounting by Grubb, 1884

Measurements:: overall (2): 120 x 200 x 150 mm
overall (1): 120 x 200 x 155 mm

Materials:: lens, glass , barrels, brass and case, wood

Object Number:: 1985-1470 Pt3

type:: instrument component and eyepiece

Image ©: The Board of Trustees of the Science Museum

Two 6-inch aperture refracting telescope extension tubes, with mahogany case

Two 6-inch aperture refracting telescope extension tubes, with mahogany case

Set of two extension tubes in mahogany case for refracting telescope of 6-inch aperture, on equatorial mounting by Grubb, 1884

Materials:: tubes, brass and case, mahogany

Object Number:: 1985-1470 Pt4

type:: tube and case - container

Image ©: The Board of Trustees of the Science Museum