MPS A I 132
Museum: Mathematisch-Physikalischer Salon, on display, Online Collection
Title: Sector, Gunners Compass
Inventory number: MPS A I 132
Date: Between 1600-1650
Material and technique: Brass, engraved, punched, steel tips
Dimensions: Limb length = 22 cm; thickness (max.) = 1,47 cm, length of arc = 13,0 cm
Notes: Scales on arc for "EISEN", "BLEY" (front) and "ZOL", "STEIN" (back) with a screw to hold the arc in place
Measurements of Scales (in mm)
"ZOL"
1 |
24,00 |
2 |
49,00 |
3 |
73,00 |
4 |
96,50 |
5 |
120,50 |
6 |
144.5 |
7 |
168.5 |
8 |
192.0 |
9 |
215.5 |
10 |
239.0 |
11 |
263.5 |
"EISEN"
[1, not labelled] |
50.0 |
5 |
85.0 |
10 |
109.0 |
15 |
123.0 |
20 |
136.0 |
25 |
145.5 |
30 |
155.0 |
35 |
162.5 |
40 |
169.0 |
45 |
177.0 |
50 |
183.0 |
55 |
188.5 |
60 |
194.0 |
65 |
199.5 |
70 |
204.0 |
75 |
209.0 |
80 |
212.0 |
85 |
217.5 |
90 |
222.0 |
95 |
227.0 |
100 |
230.5 |
105 |
234.0 |
110 |
237.5 |
115 |
241.0 |
120 |
245.0 |
125 |
247.5 |
"BLEY"
[1, not labeld |
44.5 |
5 |
75.0 |
10 |
93.0 |
15 |
108.0 |
20 |
119.0 |
25 |
127.5 |
30 |
136.0 |
35 |
143.0 |
40 |
148.5 |
45 |
155.0 |
50 |
160.5 |
55 |
166.5 |
60 |
171.0 |
65 |
175.0 |
70 |
179.0 |
75 |
183.0 |
80 |
187.5 |
85 |
191.5 |
90 |
196.0 |
95 |
198.5 |
100 |
201.5 |
105 |
206.0 |
110 |
208.5 |
115 |
211.5 |
120 |
215.0 |
125 |
217.5 |
"STEIN"
[1, not labeled] |
76.5 |
5 |
130.0 |
10 |
163.0 |
15 |
187.0 |
20 |
205.5 |
25 |
221.5 |
30 |
235.0 |
35 |
246.5 |
40 |
259.0 |
45 |
269.0 |
50 |
287.5 |