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John Harrison and the longitude competition- (part 3)- Harrison tries again

Harrison tries again

Harrison presented his second sea clock named H2 in 1741 which was similar in design to the first but soon withdrew it when he found design problems which would affect the timing of the clock on a moving ship. 329 more words

Haltwhistle

John Harrison and the longitude problem (part 2) - Harrison's first entry

Longitude: the exact location of an object on the earth in terms of north, south, east and west. This is especially important when sailing, so ships are aware of their location and avoid being wrecked. 221 more words

Haltwhistle

John Harrison and the longitude problem (part 1)- Early career and inventions

Seeing as this year is 300 years since the launch of the Longitude competition, here at the Museum of Time we have been running an exhibition all about it and the winner John Harrison. 329 more words

Haltwhistle

Ships, Clocks and Stars

John Harrison makes the big time!  A cleverly curated exhibition at the National Maritime Museum has Harrison and his clocks centre stage – where they should be.  110 more words

Longitude Exhibition

John Harrison makes the big time!  A cleverly curated exhibition at the National Maritime Museum has Harrison and his clocks centre stage – where they should be.  78 more words

John Harrison and the search for longitude

The National Maritime Museum in Greenwich asked me to write a guest blog for them, because of my poem John’s Curious Machines. They currently have an exhibition running called… 79 more words