Epact: Scientific Instruments of Medieval and Renaissance Europe

Johann Gebhart

Johann Gebhart became a citizen of Nuremberg in 1538 and made several diptych sundials dated between 1546 en 1586. He often signed his work with a six-pointed star flanked by his initials HG.

For instruments by Johann Gebhart, see:

Diptych Dial, Signed by Johann Gebhart, Nuremberg, Mid 16th century (Oxford, MHS)

Diptych Dial, Signed by Johann Gebhart, Nuremberg, Dated 1561 (Oxford, MHS)

References:

E. Zinner, Deutsche und Niederl?ndische astronomische Instrumente des 11. bis 18. Jahrhunderts (2nd ed., Munich, 1967), pp. 319, 680; P. Gouk, The Ivory Sundials of Nuremberg 1500-1700 (Cambridge, 1988), pp. 64 and 117.

Epact Scientific Instruments of Medieval and Renaissance Europe