Registreringsapparat til Tyngdemaalingspenduler
By: Beskrevet af Aage Petersen.
Contributors: Petersen, Aage.
Series: Den Danske Gradmaaling. Ny Raekke -- Hefte Nr. 14
Published: 1915
Place of publication: Kjøbenhavn
Language: dan
Number of pages: 15
Notes: With summary in French.