THE use of fabric as a wing covering introduced the problem of tautening the fabric. The history of aeroplane dope may be said to date from 1911. Prior to that date attempts to obtain a taut covering were made with such material as sago, which was at best a fair‐weather expedient. Experiments were also carried out with casein dopes, but these were discounted when it was found that cellulose acetate dissolved in suitable solvents gave satisfactory results.
Gilmore, J.J.A. (1934), "Aeroplane Doping Schemes: A Review of Development with an Account of the Tests Called for in Modern Specifications", Aircraft Engineering and Aerospace Technology, Vol. 6 No. 6, pp. 161-164. https://doi.org/10.1108/eb029806Download as .RIS
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