c.1970s Star Diamond Industries California Rolling Star Rock Tumbler Manual

Description:
Original owner’s manual and instruction sheet for the Star Diamond Industries “Rolling Star” Tumbler, Model TU.1.5. Issued by Star Diamond Industries, Inc., 1421 West 240 Street, Harbor City, California, U.S.A. Printed in black and white with parts list, exploded diagram, operating procedure, and warranty details. Measures approx. 21 × 28 cm.

Additional Info:
Star Diamond Industries, a Craftool Company, produced lapidary and gem-polishing equipment widely used by hobbyists and jewellers in the mid to late 20th century.

Condition:
Heavily creased and crumpled with light staining and edge wear; still complete, legible, and intact.

Shipping: Will be sent in a protective sleeve and rigid mailer for safe delivery.