EditorialThe Observatory at Delhi. This Observatory, the Jantar-Mantar, was built around 1724 and was one of a series of observatories built by Maharaja Savai Jai Singh II of Jaipur. In the distance is the Ram-Yantra, one of two circular structures used for cal...
EditorialBox with Compass Card, Wooden box with a compass rose belonging to an azimuth compass. The compass rose is printed on green paper, the degree distribution, in four quadrants, is in mirror writing for reading with the prismatic visor. The compass rose h...
EditorialAzimuth Compass, Azimuth compass in cardanus ring in a wooden box, the lid of which is missing. The cardan ring can be turned for bearing. The compass has a fixed pelorus, the boiler is weighted with a lead weight at the bottom. The rose is made of mic...
EditorialAzimuth Compass in Wooden Box, Azimuth Compass in a wooden box. The compass has a fixed level device. The eyepiece consists of a prismatic visor to read the rose, combined with a slit visor with a black and green black-out glass, the wire visor on the ...
EditorialAzimuth Compass with Tripod, Azimuth compass in a wooden box. The compass has a fixed level device. The eyepiece consists of a prismatic visor to read the rose, combined with a slit visor with a black and green black-out glass, the wire visor on the ot...
EditorialAzimuth Compass, Azimuth compass in cardanus ring in a wooden box. The compass boiler is weighted with a lead weight at the bottom. The rose is hung in a peculiar way: a small cardan ring is mounted in the boiler, in which a vertical axis with weight h...
EditorialSemicirculus Magnus Azimuthalis, Illustration of a large azimuth semicircle from the 17th century, Fig. 8, p. 33, 1602, Tycho Brahe: Tychonis Brahe Astronomiae instauratae mechanica. Noribergae [N?rnberg]: apud Levinum Hulsium, 1602.
EditorialVolume quarter Azimuthalis, Illustration of a rotatable azimuth quadrant from the 17th century, Fig. 6, p. 27, 1602, Tycho Brahe: Tychonis Brahe Astronomiae instauratae mechanica. Noribergae [N?rnberg]: apud Levinum Hulsium, 1602.
EditorialThe biggest Chalibeus.- quarter fitting is shut in, and the horizontal azimuth Steel insistent, Illustration of a large steel quadrant clamped in a square from the 17th century, Fig. 21, p. 72, 1602, Tycho Brahe: Tychonis Brahe Astronomiae instauratae ...
EditorialParallaticum Another thing that is so, whether the high places of the Rule of azimuth Expedientes How, Illustration of another parallitic or scale instrument indicating the azimuth and the altitudes, from the 17th century, Fig. 10, p. 39, 1602, Tycho B...
EditorialBox with Compass Card, Wooden box with a compass rose belonging to an azimuth compass. The compass rose is printed on green paper, the degree distribution, in four quadrants, is in mirror writing for reading with the prismatic visor. The compass rose h...
EditorialAzimuth Compass, Azimuth compass in cardanus ring in a wooden box, the lid of which is missing. The cardan ring can be turned for bearing. The compass has a fixed pelorus, the boiler is weighted with a lead weight at the bottom. The rose is made of mic...
EditorialAzimuth Compass in Wooden Box, Azimuth Compass in a wooden box. The compass has a fixed level device. The eyepiece consists of a prismatic visor to read the rose, combined with a slit visor with a black and green black-out glass, the wire visor on the ...
EditorialAzimuth Compass with Tripod, Azimuth compass in a wooden box. The compass has a fixed level device. The eyepiece consists of a prismatic visor to read the rose, combined with a slit visor with a black and green black-out glass, the wire visor on the ot...
EditorialTripod for a Azimuth Compass, The tripod has a pin for hanging the compass in., W. & T. Gilbert, London, c. 1810 - c. 1858, wood (plant material), brass (alloy), iron (metal), h 131.5 cm.
EditorialAzimuth Compass, Azimuth compass in cardanus ring in a wooden box. The compass boiler is weighted with a lead weight at the bottom. The rose is hung in a peculiar way: a small cardan ring is mounted in the boiler, in which a vertical axis with weight h...
EditorialLantern Slide - Ninnis & Mertz Memorial, Cape Denison, BANZARE Voyage 2, Antarctica, 1930-1931, Lantern slide of the memorial cross to Lieutenant Belgrave Ninnis and Doctor Xavier Mertz, Cape Denison, Commonwealth Bay, Antarctica. The Memorial Cross to...
EditorialThe Observatory at Delhi. This Observatory, the Jantar-Mantar, was built around 1724 and was one of a series of observatories built by Maharaja Savai Jai Singh II of Jaipur. In the distance is the Ram-Yantra, one of two circular structures used for cal...