Perkins, Adam J. |
The British and American nautical almanacs in the 19th century / Adam J. Perkins and Steven J. Dick |
In: History of celestial navigation. p. 157-197 |
Perkins, Adam J. |
Edmond Halley, Isaac Newton and the Longitude act of 1714 / Adam J. Perkins. |
In: History of celestial navigation. p. 69-143 |
Perkins, Adam J. |
King Charles and the founding of the Royal observatory / Adam J. Perkins. |
In: History of celestial navigation. p. 21-67 |