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Image
Has Image
5
Non-Commercial Use
5
Category
Domestic Appliances
1
Experimental Chemistry
1
Laboratory Medicine
1
Locks & Fastenings
1
Sound Reproduction
1
Maker
Kromer, Theodor (maker)
2
F Hellige & Company
1
Hellige and Co.
1
Object type
colorimeter
2
lock
2
hardcover books
1
Place
Freiburg district
5
Freiburg district, Baden-Württemberg, Germany
4
Freiburg district, Baden-Wurttemberg, Germany
1
Material
brass (copper, zinc alloy)
1
complete
1
glass
1
steel (metal)
1
Date
From
To
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Permutation lock by Theodor Kromer, Freiburg
1888
Safe lock by Theodor Kromer of Freiburg Germany
Duboscq colorimeter, Germany, 1901-1914
1901-1914
Klett colorimeter by Hellige and Co.
Tiessen, Heinz. Musik der Natur (Freiburg: Atlantis, 1953)
1953
