Clock and watch making.
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Typescript. Mathematics in the Planning of a Modern Watch, undated
File — Folder 15: Series Series 1; Series Series 2; Series Series 3
Identifier: Folder 15
Scope and Contents
Report No. 1. Pennsylvania Council of Teachers of Mathematics Published by the Research Committee, Pennsylvania Council of Teachers of Mathematics, Lee Boyer, Chair. Introduction by Lee Boyer.
Dates:
Created: undated