Cylinder dial, circa 1880

On application

A boxwood cylinder dial (also known as a shepherd or pillar dial). It is a portable, altitude dial in which hour lines for different dates are delineated around the surface of a cylinder, which is allowed to hang or stand vertically. A horizontal gnomon projects radially from the top of the cylinder, and is adjusted to the appropriate date around its periphery. 9,5 cm high, diameter 2cm

SKU: 340522 Category:

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