John McIllwraith began the Melbourne Lead Works in 1854. After his death in Scotland in 1902, the business was continued by his sons, John, Thomas and David. In 1870 John became a member of the Melbourne Council and served as mayor in 1873/74. The business expanded to become a major supplier of plumbing supplies.Trade Price list for McIlwraith and Co 1937. Manufacturers and Merchants 48-56 Little Collins st Melbourne. It is a paper booklet covered in a steel blue light cardboard cover with 96 pages. It measures 18.5 x 24.2cm. Contains lists of products, photographs, maps and illustrations all in Black and white print. Printed by Osboldstone & Co Melbourne