Plastic box of "Centerlok" handpiece-inserted screw crown posts

Made:
1975-1980 in Hitchin
Plastic box of Centerlok' handpiece-inserted screw crown posts, by B. and H. Specialist Services Ltd., England,

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Plastic box of Centerlok' handpiece-inserted screw crown posts, by B. and H. Specialist Services Ltd., England,
Science Museum Group
© The Board of Trustees of the Science Museum

Plastic box of "Centerlok" handpiece-inserted screw crown posts, by B. and H. Specialist Services Ltd., England, 1975-1980