A family with an unusual occupational hazard.
Pneumoconiosis from the carbon-copper-silica rods of film projector arc lamps is a relatively rare disease. There follows a description of a family in which the father and two sons developed radiographic changes after many years working as projectionists in New South Wales.
D000368:Aged; D006801:Humans; D008029:Lighting; D008297:Male; D008875:Middle Aged; D009040:Motion Pictures; D009784:Occupational Diseases / Q000000981:diagnostic imaging / Q000235:genetics*; D011859:Radiography; D012829:Silicosis / Q000000981:diagnostic imaging / Q000235:genetics*; D012830:Silicotuberculosis / Q000235:genetics