|
|
|
SCOTT NO
|
529 A119
|
|
DATE OF ISSUE
|
1958 Jun 18
|
|
FACE VALUE
|
30o
|
|
COUNTRY
|
Sweden
|
|
|
|
|
DESCRIPTION
|
The stamp shows a Bessemer Convertor. It was issued for the first successful Bessemer blow in Sweden. Bessemer Convertor: a process of making steel from pig iron by burning out carbon & other impurities by means of blast of air forced through molten metal
|
|
|
|
|
MINERAL
|
Factory - Industry, Iron, Steel
|
|
|
|
|
|