Two typed copies of a letter from ? Bell, Manager of the Union Oil, Soap & Candle Co. Limited to Scalebuoys (N.Z.) Ltd., dated 7 March, 1938. He mentions that they are so satisfied with the Scalebuoy treatment of the water for Boiler Feed that they want to install another one for a small boiler. He asks to let him know what is required. Letter has printed letterhead.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, union oil soap & candle co limited, scalebuoys (n.z.) ltd, national mutual chambers auckland, bell

Two copies of a typed letter, printed on paper with a printed letterhead, dated 17 September, 1937. Letter is from the Secretary of Knox Home to the Managing Director, Scalebuoys (New Zealand) Ltd. He mentions he has enclosed a cheque for payment of the Scalebuoy equipment and they were quite satisfied with it.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, n a duthie, national mutual life chambers auckland, knox home, scalebuoys (new zealand) ltd