EditorialInclinatorium, instrument for determination of inclination, Fig. 36, 1895, Alfred Ritter von Urbanitzky: Die Elektrizit?t im Dienste der Menschheit: Eine Darstellung der magnetischen und elektrischen Naturkr?fte und ihrer praktischen Anwendungen. Nach ...
EditorialAstronomical sextant, insofar as it serves Altitudinibus, Illustration of an astronomical sextant for the determination of the 17th century, Fig. 4, p. 21, 1602, Tycho Brahe: Tychonis Brahe Astronomiae instauratae mechanica. Noribergae [N?rnberg]: apud...
EditorialFornacula teres - Fornacula quadrangula, above: round tasting oven, below: quadrangular tasting oven, determination of metal content of ores, woodcut, p. 176, (Liber septimus), Manuel, Hans Rudolf (graveur sur bois), 1556, Georgius Agricola: De re meta...
EditorialEx sola manu quo ingenio horam nocturnam colligas?, Finger watch for the determination of time at night, Fig. 19, p. 47, 1533, Petrus Apian: Horoscopion Apiani generale dignoscendis horis cuiusqumque generis aptissimum [...]. His accedit distantia[rum]...