Sundials Their theory and construction
Waugh, Albert Edmund 1902-,
Sundials : Their theory and construction / Albert e. waugh - 228 páginas
0-486-22947-5
Relojes de sol
QB215 / W37
Sundials : Their theory and construction / Albert e. waugh - 228 páginas
0-486-22947-5
Relojes de sol
QB215 / W37