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Memorials of William Cranch Bond
By Edward Singleton Holden
Address on the presentation of the gold medal of the Royal Astronomical Society to Professor G.P. Bond
Address on the presentation of the gold medal of the Royal Astronomical Society to Professor G.P. Bond
By Warren De La Rue
Memorials of William Cranch Bond, director of the Harvard College Observatory, 1840-1859
Memorials of William Cranch Bond, director of the Harvard College Observatory, 1840-1859
By Edward Singleton Holden

Memorials of William Cranch Bond, director of the Harvard College Observatory, 1840-1859, and of his son, George Phillips Bond, director of the Harvard College Observatory, 1859-1965
By Edward Singleton Holden
From celestial to terrestrial timekeeping
From celestial to terrestrial timekeeping
By Donald Saff,Antiquarian Horological Society