John Harrison and his timekeepers.
Published: 1935
Place of publication: [London?
Language: eng
Number of pages: 24
Subjects: Harrison, John, 1693-1776.; Chronometers.
Notes: "A lecture ... delivered to the Society for Nautical Research at their annual meeting, February 21st, 1935."
"Reprinted from the Mariner's mirror (the quarterly journal of the Society for Nautical Research) vol. XXI, no. 2, April, 1935."
Cover title.