Wooden dyptich sundial made by the well known 18th century mathematician and astronomer, James Ferguson . The invention of the magnetic compass in...
Wooden dyptich sundial made by the well known 18th century mathematician and astronomer, James Ferguson . The invention of the magnetic compass in...
Wooden dyptich sundial made by the well known 18th century mathematician and astronomer, James Ferguson . The invention of the magnetic compass in...
Model of a Chinese astronomical clock, copied from Su Song's 'New Design for a Mechanised Armillary Sphere and Celestial Globe' . Su Song was a...時鐘
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Detail of clock movement. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...
Detail of hand and dial. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...
Detail of hand and dial. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...
Detail of clock face. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...
Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the Copernican principle ....
Detail. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the Copernican...
Detail of hand and dial. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...月亮
Detail of dial. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...月亮
Designed by Joseph Vines and made by Walsh of Newbury, Berkshire, this clock indicates solar time on one set of dials and sidereal time on the other....
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This clock...
Designed by Joseph Vines and made by Walsh of Newbury, Berkshire, this clock indicates solar time on one set of dials and sidereal time on the other....
Designed by Joseph Vines and made by Walsh of Newbury, Berkshire, this clock indicates solar time on one set of dials and sidereal time on the other....
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This part...
Regulator clock is a highly accurate timepiece, usually used for making precise measurements in conjunction with astronomical observation. This part...
Detail from a model of a Chinese astronomical clock, copied from Su Song's 'New Design for a Mechanised Armillary Sphere and Celestial Globe' . Su...時鐘
Detail from a model of a Chinese astronomical clock, copied from Su Song's 'New Design for a Mechanised Armillary Sphere and Celestial Globe' . Su...時鐘
Model of a Chinese astronomical clock, copied from Su Song's 'New Design for a Mechanised Armillary Sphere and Celestial Globe' . Su Song was a...
Detail of working model . The original was used in Su Song's astronomical clock-tower of 1088. Su Song was a Chinese astronomer and inventor who was...
Reconstruction by Thwaites and Reed Ltd. Detail of the dial of the nodes. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and...
Reconstruction by Thwaites and Reed Ltd. Detail of the 24 hour dial. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and...
Reconstruction by Thwaites and Reed Ltd. Detail of one of seven dials. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and...
Reconstruction by Thwaites and Reed Ltd. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and constructed this remarkable and...
Reconstruction by Thwaites and Reed Ltd. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and constructed this remarkable and...
Detail of clock face. Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the...
Made by Samuel Watson , London, this is the earliest English astronomical clock in which the sun is fixed, according to the Copernican principle ....
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
This copy, two thirds of the scale of the original, was made by Thwaites and Reed Ltd of Clerkenwell, London. The dials and astronomical gearing of...
Made by Ninon Vallin, one of the few English clockmakers of the Elizabethan period, and signed on the top plate. The single hour hand of this clock...
Detail of hood and dials. Designed by Joseph Vines and made by Walsh of Newbury, Berkshire, this clock indicates solar time on one set of dials and...
Designed by Joseph Vines and made by Walsh of Newbury, Berkshire, this clock indicates solar time on one set of dials and sidereal time on the other....
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
Reconstruction by Thwaites and Reed Ltd. Detail of the calendar of movable feasts . Giovanni de Dondi , a scientific polymath of the Middle Ages,...
Reconstruction by Thwaites and Reed Ltd. Detail of the interior. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and...
Reconstruction by Thwaites and Reed Ltd. Detail of the interior. Giovanni de Dondi , a scientific polymath of the Middle Ages, designed and...
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...英國
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
Replacement glazed mahogany case for Shelton's regulator clock with mounting bracket and grid iron pendulum, made by the United States Coastal and...
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
This clock is one of five made for the Royal Society in the 1760s by John Shelton of Shoe Lane, London. It measures sidereal time instead of solar...
This large orrery was made by Charles Butcher of Bedford, for Lord Trevor, Baron of Bromham. An eight-day clock rotates the planets. The calendar...星球
This ornate planetary model was made by the Parisian clock makers, Raingo Frères. Called an orrery, or more correctly a tellurium, it is a...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...
This planetary model was made by Charles Butcher of Bedford, for Lord Trevor, the Baron of Bromham. Later acquired by Stephen Demainbray, it was used...