Blue Hill Meteorological Observatory, author · [Cambridge] : [publisher not indicated] · leaf 15
EXPLORATION OF THE AIR BY MEANS OF KITES. 47 TABLE XIII. … result of the tests was that some cords, proving very strong during the first test, rapidly became weaker when subjected repeatedly to a breaking strain, Certain cords selected for great strength, while in actual use as line for the kites, broke under strains much less than that adopted as a safe…
Kites (Meteorology)
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
