Typed letter, dated 8/4/49, with an Application Form for Hiring Radio-electric Medical Units attached. Letter is from Norman to Harold. Letter refers to the administrative side of Scalebuoys and a new business venture. Also some shares for Hartley's widow and that she can't sell or will them to anyone. Development in Great Britain is also mentioned.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, dr w n abbott, dr may, electronic co, mr a k duthie, hartley, stephenson, mackenzie, dr d h abbott, mr holt, electronic company of nz, wallace, bruce, duthie, voyce, stevenson, mccorkindale, medical research council, radio-electric research unit, stoke-mandeville hospital, capillograph, pasteur, mandevilles