This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
Three watches manufactured by Casio Electronic Company Ltd. On the left is the Model PRT-40E with altimeter, barometer and thermometer functions. In...
Three watches manufactured by Casio Electronic Company Ltd. On the left is the Model PRT-40E with altimeter, barometer and thermometer functions. In...
Digital watch with altimeter, barometer and thermometer functions made by Casio Electronics Co Ltd. The development of extremely cheap, relatively...
Most sundials work by charting the sun�s movement using the shadows cast by a fixed style or gnomon, but an altitude dial depends on the Sun�s...
This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
The original dial, of which this is a copy, was found in 1939 in the soil of the Cloister Garth at Canterbury Cathedral in Kent. It was in the form...
The shepherd�s dial, also known as the pillar dial, traveller�s dial or cylinder, was one of the simplest and most widely used portable sundials. It...
This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
This pocket sundial, made of silver and signed with the name Humphrey Cole, is set for use in a latitude of 51 degrees, 30 seconds . This type of...
Detail of the gearing. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels are the second oldest...
Detail of the moon wheel. This fragment is from the remains of a portable sundial with calendrical gearing. The gear wheels are the second oldest...
Detail of the gearing. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels are the second oldest...
This ornate sundial was probably made in Germany but is designed for use in a latitude of 42 degrees . The gnomon consists of a pointed rod forming...
This brass sundial is the work of one of the well-known Volpaia family of Italian instrument makers and is inscribed: 'Hyeronimus Vulpariae...
This is a plaster cast of an original green schist shadow clock. The clock consists of a straight base with a raised crosspiece at one end. The base,...
Reconstruction of a Byzantine sundial-calendar based on the remains of a portable sundial with calendrical gearing in the Science Museum's...
These fragments are the remains of a portable sundial with calendrical gearing. The gear wheels are the second oldest surviving examples. They are...
Parts of a Byzantine portable sundial, c AD 520. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels...
Parts of a Byzantine portable sundial, c AD 520. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels...
Parts of a Byzantine portable sundial, c AD 520. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels...
Parts of a Byzantine portable sundial, c AD 520. These four fragments are the remains of a portable sundial with calendrical gearing. The gear wheels...
Merkhet', Egypt, c 600 BC. Replica. A 'merkhet', Egypt, c 600 BC. Replica. Complete with gnomon, plumb-line and sighting stick. The original of this...
The shepherd�s dial, also known as the pillar dial, traveller�s dial or cylinder, was one of the simplest and most widely used portable sundials. It...
This is a plaster cast of an original green schist shadow clock. The clock consists of a straight base with a raised crosspiece at one end. The base,...
Reconstruction of a Byzantine sundial-calendar based on the remains of a portable sundial with calendrical gearing in the Science Museum's...
