DMM 40082
Museum: Deutsches Museum, Munich
Title: Sector by N. Bion
Inventory number: DMM 40082
Signature: "N. Bion A Paris."
Date: End of the 17. century/ beginning of the 18.
Material: Brass
Dimensions: Lenght of limb: 91 mm; width: 10 mm
Description: See Schneider, 1970, p. 87.
Preliminary examination of the metallic scales: The front presents a metallic line with 6 values. Approximately half the size of usual Bion sectors. Planetary symbols on the metal scale, indicated a "Les Metaux". On the same face, a scale when the sector is opened at 180 degrees, on the border. Called "poids des boulets".
References: Schneider, Ivo: Der Proportionalzirkel: Ein universelles Analogrecheninstrument der Vergangenheit. Deutsches Museum: Abhandlungen und Berichte. 38. Jahrgang 1970, Heft 2. München, Düsseldorf 1970, p. 87.
Measurements of Scales (in mm)
"Les Metaux"
☉ [Sun, Gold] |
53 | |
♄ [Saturn, Lead] |
68,5 | |
☽ [Moon, Silver] |
72 | |
♀ [Venus, Copper] |
75 | |
♂ [Mars, Iron] |
78 | |
♃ [Jupiter, Tin] |
80 |
"poids des boulets"
1/4 | 32 |
1/2 | 41 |
1 tt | 51 |
2 | 63 |
3 | 73 |
4 | 80,5 |
5 | 85 |
10 | 107 |
15 | 123 |
20 | 135 |
25 | 146 |
30 | 155 |
33 | 160 |