Sundials : Their theory and construction /
Waugh, Albert.E .
Sundials : Their theory and construction / Textual Documents E.Albert Waugh. - Dover Publications , 1972. - 245 ; .
0-486-22947-5
681.111 / WAU/SU
Sundials : Their theory and construction / Textual Documents E.Albert Waugh. - Dover Publications , 1972. - 245 ; .
0-486-22947-5
681.111 / WAU/SU
