Agent TypeOrganisationActivities & OccupationsEngineers, civilSurveyorsHistoryThe firm was established in 1884 as surveyors and civil engineers. The block plans of the Melbourne city area were prepared in the Mahlstedts offices and were frequently altered and revised to show change in construction amd the degree of fire proofing of buildings.
![[Photographic Negatives] Odd sheets from various editions, viz. 1948 reprint – Index, 1, 4, 7 1962 reprint – 6A, 7A, 8A](/img/placeholder.gif?1724292971 "[Photographic Negatives] Odd sheets from various editions, viz. 1948 reprint – Index, 1, 4, 7 1962 reprint – 6A, 7A, 8A")