Henry Joseph Grayson
John Goodman
Photograph by William Stone (1858–1949) of Henry Joseph Grayson with his micro-ruling engine, c. 1912.
Henry Joseph Grayson
Henry Joseph Grayson – of micro-ruling fame – worked at the University of Melbourne, late nineteenth/early twentieth century. Biographical details can be found on Wikipedia and other sites.
Photograph from negative plate; glass, paper and cardboard; 12.6 × 17.3 cm.
Gift of the estate of Mrs M. Murray.
Medical History Museum, University of Melbourne, MHM00139.
Photo made available by courtesy of Dr Jacqueline Healy, Director, Museums, Faculty of Medicine, Dentistry and Health Sciences