Mechanical Calculators Manufacturer Database


Total brands in database (14 June 2024) : 1345
Corresponding brands from query : 2

Selection by country
Types legend & selection
Addiators (A)
Differential (D)
Electrical (E)
Mechanical (M)
Slide-rules (S)
Undefined (?)

Brand/Manufacturer


Brand
Manufacturer
Origin
First
Last
Type
Info
X
X-Matic
ITA
1956
-
M
XxX
Seidel & Naumann
GER
1906
1932
M


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