1 matching record(s)
file U (Stack)Stebbins, Frederick A.
"A Mediaeval portable sun-dial"
offprint from The Journal of the Royal Astronomical Society of Canada, vol. 55 no. 2. (whole no. 449), April 1961, pp. 49-56. 2 copies.
[1961-56]
1961
1 matching record(s)
file U (Stack)Stebbins, Frederick A.
"A Mediaeval portable sun-dial"
offprint from The Journal of the Royal Astronomical Society of Canada, vol. 55 no. 2. (whole no. 449), April 1961, pp. 49-56. 2 copies.
[1961-56]
1961