00541nam a2200169Ia 4500003000900000008004100009020001800050040001600068080002000084100001700104245014500121260004000266300001600306650001700322650001500339650001700354IN-BaIIA211028s9999    xx            000 0 eng d  a0-7503-0454-5  cIIA Library  a520.2(092)bGLA  aGlass, I. S. 0aVictorian telescope makersbthe lives and letters of Thomas and Howard GrubbcI. S. Glass                                                     aBristolbInstitute of Physicsc1997  axiii, 279p.  aHoward Grubb  aTelescopes  aThomas Grubb