Historical information
Used by first Warrnambool Cheese and Butter Factory Company Ltd Field Officer, Bruce McLaren, for on-farm testing in the Allansford area to check the amount of suction in milking machines.
Physical description
Phillips Rurakura Vacuum Recorder in a wooden box with lid, metal hinges and fastening clip, screw adjustment and name plate on outside. Inside has a clockwork-operated recorder with pen device to roll of paper.
Inscriptions & markings
Internal: Trade mark Empel E.M.P. Engineers Ltd PO Box 5125, Hamilton, NZ Aust. Pat. 209 510. NZ Pat. 112 486.
External: Empel Phillips Ruakura Type Vacuum recorder, Makers E.M.R. Engineers Ltd. PO Box 5125, Hamilton NZ