1965.

           -

, .. , , . , . . ,   . .

(1867-1942). . , "", . , . , „” , . , , .
, . .

- „Bosch & Speidel” 1945 . 1965 .

:

5.0, 1

https://www.woodlibrarymuseum.org/museum/item/628/bosch-&-speidel-oscillotonometer-

A

...