Plans. The plan of residence showing lower and upper floor layout for Ilparran station, as drawn by the Architectural firm of O'Connor and Ogilvie in late 1925 and early 1926. Included in this collection are a plan of sheep dip and pens, two plans of feeding stalls and five plans of double milking bails. While all eight of these plans are undated, the designs of the feeding stalls and double milking bails are believed to be from the 1950s.