Physical description
Instruction Book 1925. Elesco Locomotive Feed Water Heaters, operation and maintenance. The Superheater Company, 17 East 42nd Street new York, peoples gas building Chicago, Copyright 1925. Inside the cover is a branch rubber stamp, The Superheater company (Australia) Ltd, Manchester unity Building, 185 Elizabeth St, Sydney NSW. The book has a small brown cardboard cover with purple binding.