Jefferys

Constructed by London watchmaker John Jefferys, the watch turns out to be Harrison's breakthrough timepiece.

Big Time: The British Pocket Watch Jonathon Keats 2010

"Unfortunately, some of the state's budget cutting actions have increased the risk factors associated with depression, especially for low-income parents," says Marcie Jefferys, CDF-MN's Policy Development Director.

Marian Wright Edelman: Maternal Depression: Helping Mothers, Helping Children Marian Wright Edelman 2011

Harrison's next prototype chronometer, much smaller than the one he had contemplated before his encounter with Jefferys, won the £20,000 prize from Parliament.

Big Time: The British Pocket Watch Jonathon Keats 2010

"Unfortunately, some of the state's budget cutting actions have increased the risk factors associated with depression, especially for low-income parents," says Marcie Jefferys, CDF-MN's Policy Development Director.

Marian Wright Edelman: Maternal Depression: Helping Mothers, Helping Children Marian Wright Edelman 2011

"Unfortunately, some of the state's budget cutting actions have increased the risk factors associated with depression, especially for low-income parents," says Marcie Jefferys, CDF-MN's Policy Development Director.

Marian Wright Edelman: Maternal Depression: Helping Mothers, Helping Children Marian Wright Edelman 2011

For reasons unrecorded by history, Harrison and Jefferys decided to fit all of Harrison's clockmaking innovations into a handheld timepiece.

Big Time: The British Pocket Watch Jonathon Keats 2010

And using techniques obscured by the fire damage, Jefferys drastically downsized mechanisms for temperature compensation and friction reduction.

Big Time: The British Pocket Watch Jonathon Keats 2010

"Unfortunately, some of the state's budget cutting actions have increased the risk factors associated with depression, especially for low-income parents," says Marcie Jefferys, CDF-MN's Policy Development Director.

Marian Wright Edelman: Maternal Depression: Helping Mothers, Helping Children Marian Wright Edelman 2011

Bidders came from as far away as Russia and Estonia to the Jefferys auctioneer's premises in the quiet town of Cornwall.

September 2006 2006

The auction house Jefferys in Lostwithiel estimates that they will make up to one hundred thousand pounds from the sale.

January 2006 2006