Three typed copies of a letter dated 29 June, 1938. Letter is to Scalebuoys (New Zealand) Ltd. From the Manager of The Whangarei Co-op Dairy Company Ltd. Mentioning the improvement in the condition of the two boilers since using the Scalebuoy. Also mentioned that using the treated water gave a better result for washing the five churns than the untreated water.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, whangarei co-operative dairy company, ltd, scalebuoys (new zealand) ltd, babcock

Cream booklet with brown printing titled Bendigo Electronic Company of Australia Proprietary Limited. Includes Capital, number of Shares, Directors, Solicitors, Bankers Registered Office, Copy of a letter re Patents, Information about Scalebuoys, Users of Scalebuoys, What Scalebuoys Do and Where they are used, Also copies of letters from the Victorian Railways, City Overseer Bendigo, Lane's Motors Pty Ltd Melbourne, Union Oil, Soap & Candle Co. Ltd NZ, Knox Home NZ, Maungatapere Co-Op Dairy Co. Ltd., Whangarei Co-operative Dairy Company Ltd. NZ, Kettering Cartons Limited England, Pennsylvania Rubber Company USA, and the Kansas City Public Service Company USAsciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, a s bloomfield, r h s abbott jnr, harry ponsonby mackenzie rn (retd), arthur robinson & co, the commercial banking company of sydney limited melbourne, a t madden, h a abbott, e c eyers, frank stevenson, city of bendigo, frank h day, lane's motors pty ltd, h c holland, national mutual chambers (n.z.) ltd, union oil soap & candle co ltd, knox home, n a duthie, w h mccorkindale, maungatapere co-op dairy co ltd, j stevenson, the whangarei co-op dairy company ltd, w h millingford, kettering cartons limited, j g arlidge, pennsylvania rubber company, paul a douden & company, w e humphrey, kansas city public service company, h w smith, j t picken & sons