‡a
reportonthemanufactureofsilicabricksandotherrefractorymaterialsusedinfurnaceswithspecialreferencetotheeffectsofdustinhalationupontheworkers
‡A
Report on the manufacture of silica bricks and other refractory materials used in furnaces,
‡b
with special reference to the effects of dust inhalation upon the workers.
‡l
eng
‡9
1