 The new building was designed in 1853 by local architect Frederick Cumberland , who was also working on the design of University College , which was being built just north of the Observatory to replace King 's College . The new observatory design called for a stone building , with an attached tower containing the theodolite . The new building was completed in 1855 , and stood directly opposite the entrance of today 's Convocation Hall . 
 The new building was designed in 1853 by local architect Frederick Cumberland , <a href='null_relcl' title='1'><mark>who</mark></a>was also working on the design of University College , which was being built just north of the Observatory to replace King <a href='null_genetive' title='2'><mark>'s</mark></a>College . The new observatory design called for a stone building , with an attached tower containing the theodolite . The new building was completed in 1855 , and stood directly opposite the entrance of today <a href='null_genetive' title='3'><mark>'s</mark></a>Convocation Hall . 
Da new building was designed in 1853 by local architect Frederick Cumberland , was also workin on tdadesign of University College , which was being built jus north of thdabservatory to replace King  College . Thedaw observatory design called fa a stone building , with an attached tower containing the theodolite . The new building was completed in 1855 , and stood directly opposite the entrance of todayy  Convocation Hall .