Physical description
Brochure titled Instructions in Use and Fitting of Scalebuoy Tap Unit. Printed in blue. The front of the brochure has a diagram of a tap fitted with a Scalebuoy Unit. Inside is a detailed Method of Fitting Tap Unit to Tap, Cleaning of the Unit, which includes Method of Removal and Assembling. Also included is some information on the Scalebuoy. On the back page are pictures of a Scalebuoy hand Unit and a Scalebuoy Vest Pocket Unit.