A SIMPLE CAMERA-OBSCURA.
- Published in:
- Journal of Education, 1886, v. 23, n. 3, p. 38
- Publication type:
- Article
Works matching DE "TRACING-cloth"
Results: 2
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2
HATCHINGS FOR BAR GRAPHS.
- Published in:
- Rural Sociology, 1937, v. 2, n. 4, p. 469
- By:
- Publication type:
- Article