Calculating instruments and machines.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Urbana, :
Univ. of Illinois Press,
1949.
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| Subjects: |
| Physical Description: | ix, 138 p. : illus. ; 26 cm. |
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| Bibliography: | "References": p. 131-134. |