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MANUFACTURING AND DISPENSING EQUIPMENT
North America: USA, Rhode Island, Providence
metal; steel; enamel
Lens measurer comprising a white round enamel dial marked 0-20 with + and - scales. Shiny metal.Three prongs with metal protective cover. Alloy steel finger pointer. Contained in black cardboard case with separate lid and green velvet lining. Also a leaflet printed in red and black.