DMM 1484

Museum: Deutsches Museum, Munich 

Title: Sector by H. Stolle

Inventory number: DMM 1484

Signature: At the top of limbs, "Henrich Stolle" "Vhrm. Prag. fec."

Date: Beginning of 17. century

Material: Brass, tips made of steel

Dimensions: Lenght of limb (without point): 27,6 cm; width of limb 2 cm.

Description: See Schneider, 1970, p. 78. 

Preliminary examination of the metallic scales: Metallic line on the front, with 7 values indicated as "Lin. metall". Note that the "u" in "Cupru"and "Ferru" have a macron for an abbreviation.

References: Ivo Schneider, Der Proportionalzirkel: Ein universelles Analogrecheninstrument der Vergangenheit. Deutsches Museum: Abhandlungen und Berichte. 38. Jahrgang 1970, Heft 2. München, Düsseldorf 1970, p. 78

Zinner. Deutsche und niederländische astronomische Instrumente des 11. bis 18. Jhs. München 1967, p. 545.

Measurements of Scales (in mm)

"Lin. metall"