▁northern ▁end ▁of ▁the ▁ver and ah ▁provides ▁access ▁to ▁the ▁ 1 8 8 0 s ▁te legraph ▁office , ▁since ▁converted ▁to ▁a ▁post ▁office ▁box ▁room . ▁ ▁The ▁n ortheast ▁corner ▁of ▁the ▁building ▁is ▁marked ▁by ▁a ▁large ▁second - floor ▁addition ▁d ating ▁from ▁the ▁ 1 9 4 0 s . ▁The ▁structure ▁continues ▁the ▁general ▁architect ural ▁language ▁and ▁detail ▁of ▁the ▁building , ▁al beit ▁in ▁a ▁simplified ▁manner . ▁ ▁Intern ally , ▁the ▁planning ▁now ▁reflect s ▁four ▁distinct ▁zones ▁within ▁the ▁building ▁being ▁the ▁public ▁space ▁and ▁post ▁office , ▁fl ank ed ▁on ▁two ▁sides ▁by ▁the ▁mail ▁room ▁and ▁offices . ▁This ▁is ▁distinct ▁from ▁the ▁former ▁qu arters ▁wing ▁along ▁the ▁western ▁side ▁of ▁the ▁building ▁and ▁the ▁later ▁first - floor ▁meeting ▁room . ▁ ▁Cond ition ▁and ▁integrity ▁▁ ▁Extern ally , ▁the ▁Cam per down ▁Post ▁Office ▁presents ▁an ▁am alg am ▁of ▁various ▁periods ▁of ▁development , ▁the ▁most ▁dram atic ▁of ▁which ▁cul min ated ▁in ▁the ▁extensive ▁re working ▁of ▁the ▁original ▁building ▁in ▁ 1 9 0 9 . ▁While ▁this ▁was ▁again ▁alter ed ▁in ▁ 1 9 4 0 , ▁the ▁ 1 9 0 9 ▁form , ▁conception , ▁materials ▁and ▁detail ▁is ▁remark ably ▁clear , ▁despite ▁the ▁efforts ▁to ▁bl end ▁with ▁the ▁original . ▁In ▁this ▁regard , ▁the ▁building ▁is ▁far ▁from ▁extern ally ▁int act ▁to ▁its ▁ 1 8 6 3 ▁form