Titles written by Heather and Mervyn Hobden:
Number of documents found: 2
- Heather and Mervyn Hobden
Title: John Harrison and the Problem of Longitude
SubTitle: (black spiralbound original edition - Blue cover)
Keywords: biography pupular
Other Keywords: Harrison longitude
Edition: 1998
Page or pages: 54
BHM No: 266 - Heather and Mervyn Hobden
Title: John Harrison and the Problem of Longitude [free authorized Weboffprint edition at cosmicelk/har8.pdf]]
SubTitle: [identical to BHM 0'266]
Keywords: UK-London clock
Other Keywords: Harrison Longitude
Edition: 2019
Page or pages: 52
BHM No: 23381
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