. ▁ ▁War ▁Time ▁ ▁The ▁E agle ▁Street ▁factory ▁was ▁destroyed ▁during ▁the ▁London ▁Bl itz ▁and ▁the ▁Company ▁re located ▁to ▁ 1 3 ▁North gate ▁End , ▁Bishop ▁St ort ford . ▁H ert s . ▁The ▁building ▁occupied ▁was ▁a ▁gar age ▁and ▁work ▁comm enced ▁producing ▁ ▁optical ▁gun ▁s ights , ▁tank ▁per is cop es , ▁and ▁range ▁find ers ▁for ▁the ▁Ministry ▁of ▁Def ence . ▁No ▁micro scop es ▁were ▁produced ▁during ▁the ▁war . ▁ ▁The ▁first ▁post ▁war ▁ab rid ged ▁catalog ue ▁includes ▁a ▁wood ▁block ▁illustr ation ▁of ▁a ▁student ▁“ C ” ▁lim b ▁mic ros cope ▁with ▁the ▁lim b ▁eng ra ved ▁with ▁the ▁E agle ▁Street ▁address . ▁ ▁Post ▁War ▁ ▁On ▁ 1 0 ▁January ▁ 1 9 4 7 ▁Walter ▁Robert ▁Prior ▁died ▁at ▁the ▁early ▁age ▁of ▁ 5 5 . ▁▁ 1 9 5 3 ▁brought ▁the ▁start ▁of ▁manufact uring ▁mic rom an ip ul ators ▁for ▁Prior ▁and ▁later ▁the ▁micro position er ▁was ▁developed . ▁Both ▁of ▁these ▁are ▁still ▁made ▁to ▁this ▁day . ▁ ▁The ▁Company ▁re located ▁to ▁a ▁new ▁factory ▁at ▁London ▁Road , ▁Bishop ▁St ort ford ▁in ▁ 1 9 5 6 ▁and ▁continued ▁to ▁produce ▁and ▁develop ▁new ▁micro scop es . ▁Because ▁of ▁the ▁need ▁for ▁new ▁univers ities ▁and ▁colleg es ▁during ▁the ▁post ▁war ▁period ▁there ▁was ▁a ▁demand ▁for ▁micro scop es ▁and ▁access ories ▁and ▁Prior