Classification sports, leisure and hobbiessports equipmentwhistle Description A blue and white ACME whistle made from cellulose acetate circa 1949. Designers & Manufacturers Designer (Person) Unknown Manufacturer Acme Inscriptions moulded: "PATENT No. 620720" (side) moulded: "ACME REGD. MADE IN ENGLAND" (side) Object number AIBDC : 009379 Date 1949 (circa) Country UK Method unknown Material plastic CA cellulose acetate metal split ring Dimensions Width 20mm Height 25mm Length 58mm Colour blue white
