Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 375
iam Herschel, whose 4-foot reflector is illustratedon page 13, and who long served a self-apprenticeshipby constructing nearly 200 mirrors, one of them 24inches in diameter which was nearly equal in per-formance with the 4-foot, and with which his son. SirJohn, continued the elder Heeschels… … 4-FT. MELBOURNE REFLECTOR(Designed and built by Thomas Grubb) Telescopes and Houses for Them 323 cates in size of Herschels largest instruments, whichhe used on the island of Malta, 1852-65 ; ThomasGrubb, who in 1867 built a 4-foot Gregorian with asilver-on-glass speculum for the government…
Astronomy
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