Title: Jakob Amsler-Laffon, 1823-1912, Alfred Amsler, 1857-1940
First published: 1993
Subjects: Biography, Engineering instruments, Engineers, Firma Wolpert, Firma Wolpert History
Places: Switzerland
People: Alfred Amsler (1857-1940), Jakob Amsler-Laffon (1823-1912)
LC classification: HC395.5.A2 S3 no. 58, TA139 S3 no. 58