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Title: Selection of Badcock expansion screws, various types, upper [Go to resource]
Description: Selection of Badcock expansion screws, various types, upper and lower, in box by the International Tooth Co., England, 1950-1965 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: expansion screws Temporal: 1930-1965 Source: Science Museum Creator: International Tooth Co. (maker) Identifier: 1981-854/9 Go to resource More Like this...
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