"Dated to about 1783-5, this reflecting telescope was made by the famous astronomer, William Herschel for his good friend Dr Watson who he first met in Bath."
Science Museum Group, CC BY-SA 4.0 via Reflecting telescope by William Herschel. 1876-1000 Pt1 Science Museum Group Collection Online. collection.sciencemuseumgroup.…
Reflecting telescope by William Herschel | Science Museum Group Collection
Newtonian reflecting telescope with 6 1/8-inch diameter speculum mirror of 7-foot focal length with mahogany tube and altazimuth stand; includes accessories and a pamphlet of directions for use.collection.sciencemuseumgroup.org.uk