John Harrison's wooden clocks - part 1

Peter Jordan
Peter Jordan
51.8 هزار بار بازدید - 15 سال پیش - This video explains the origin
This video explains the origin of the 1714 Act that offered the 'Longitude Prize' and how the humble country carpenter John Harrison progressed from making simple domestic clocks to more sophisticated precision timekeepers.
15 سال پیش در تاریخ 1388/08/12 منتشر شده است.
51,804 بـار بازدید شده
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