
Undated / Dictionary, handbook or reference work
A Dictionary of Arts, Manufactures, and Mines ...
Engineering, machinery and manufacturing
1,145 pages Open documentOpening preserved document…

Bibliographic identity checked against available scan and source evidence.
obscure/langley-aerodynamics-1891.pdf
SHA-256: 7d06e45289dc6f0b6fb9a38d99ba3f2b9c85dec61f458e239c8252c59b5f1129
Catalogue reviewed 19 September 2026. Original scans retained; catalogue labels do not endorse historical claims.