Derrick Manufacturing was a food manufacturer, it was started by Cecil Derrick initially in Dover St Richmond and moved to Port Melbourne in c 1908 at which time he was joined by his brother Percy to operate the business, both were analytical chemists. In 1913 Percy died suddenly and in 1915 Cecil died in WW1. The business continued until its sale in 1921. This advertisement is similar to those placed in the Standard newspaper (Port Melbourne) in 1910.Black & white photo of a newspaper advertisementbusiness and traders, built environment - commercial, cecil derrick, percy derrick, 272-274 bay street