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Self-Help Mechanical Drawing: An Educational Treatise
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2025-01-22T15:48:12+00:00
nfenwick
nfenwick@pglaf.org
2025-01-22T15:48:12+00:00
61615eb09f169fe6b481da1840ba74b047bbba56
As captured January 22, 2025
2025-01-22T15:48:11+00:00
nfenwick
nfenwick@pglaf.org
2025-01-22T15:48:11+00:00
5e8381584ac65516c0e6e011519f15df392d4f98