DMM 67366
Museum: Deutsches Museum, Munich
Title: Sector by Meurand
Inventory number: DMM 67366
Signature: "Meurand AParis"
Date: To be established.
Material: Brass
Dimensions: Lenght of limb: 166 mm; width: 16 mm.
Description: See Schneider, 1970, p. 90.
Preliminary examination of the metallic scales: Planetary symbols on the metal scale, indicated a "Les Metaux". Two other scales, each on a face, when the sector is opened at 180 degrees, on the border, without titles.
References: Schneider, Ivo: Der Proportionalzirkel: Ein universelles Analogrecheninstrument der Vergangenheit. Deutsches Museum: Abhandlungen und Berichte. 38. Jahrgang 1970, Heft 2. München, Düsseldorf 1970, p. 90.
Maurice, Daumas: Les instruments scientifiques aux XVIIe et XVIIIe siecle. Paris, 1953, p. 371.
Measurements of Scales (in mm)
"Les Metaux"
☉ [Sun, Gold] |
119 | |
♄ [Saturn, Lead] |
140 | |
☽ [Moon, Silver] |
145 | |
♀ [Venus, Copper] |
152 | |
♂ [Mars, Iron] |
158 | |
♃ [Jupiter, Tin] |
162 |
Scale on the side of the metalic scale
1/4 | 32 |
1/2 | 40,5 |
3/4 | 46,5 |
1 | 51 |
2 | 64 |
3 | 73,5 |
4 | 81 |
5 | 87 |
6 | 93 |
7 | 98 |
8 | 102 |
10 | 110 |
12 | 117 |
14 | 123 |
16 | 128 |
18 | 134 |
20 | 138 |
22 | 142,5 |
24 | 147 |
27 | 153 |
30 | 158 |
33 | 163 |
36 | 168 |
40 | 174 |
45 | 181 |
55 [sic] | 187,5 |
50 [sic] | 194 |
60 | 199 |
64 | 204 |
Scale on the other side
1/4 | 33 |
1/2 | 42 |
3/4 | 48 |
1 | 53 |
2 | 67 |
3 | 76 |
4 | 84 |
5 | 90 |
6 | 96 |
7 | 101 |
8 | 106 |
10 | 114 |
[no value] | |
14 | 121 |
16 | 128 |
18 | 133 |
20 | 139 |
22 | 143 |
24 | 148 |
27 | 152,5 |
30 | 159 |
33 | 165 |
36 | 170 |
40 | 174,5 |
45 | 181 |
50 | 188,5 |
55 | 195 |
60 | 201 |
62 | 207 |
64 | 212 |