It was not until 1657 that this was reduced to +-10 seconds. And it took another 100 years to reduce this to 1 second.
And it took another 100 years to reduce this to 1 second. From 1933, quartz clocks replaced pendulum clocks.
Marca: TaiGaoLe
Manufacturer No: TAI-T2109
Dimensions (length x width x height):
128 x 106 x 293 mm