2 matching record(s)
T (Stack)Gifford, Emma
Natural Sines to every second of arc, and eight places of decimals. (Computed from Rheticus.)
Manchester: {...}, 1914. Together with (loosely enclosed) a pamphlet by J. W. & E. Gifford, Differences of Refractive Indices.
[1968-188]
1914
T (Stack)Gifford, Emma
Natural Tangents to every second of arc and eight places of decimals. (Computed from Rheticus.)
Manchester: {...}, 1920.
[1968-189]
1920