country obtained from

• (no filter) 

  Belgium (1) France (1) Netherlands (9) United Kingdom (1) United States (1)

graduation

• (no filter) 

  deg (9) gon / grad (3) m (1) mil (6400) (1) yard (1)

fine reading

•  direct (analog) (10)
•  direct (digital) (1)
•  drum micrometer (1)
•  scale micrometer (1)
•  scale micrometer (double) (1)
•  vernier (double) (1)
•  vernier (single) (1)

Type of use

•  Military (1)
•  Survey (10)

Material

•  Brass (3)

image direction

• (no filter) 

  inverted (5) upright (6)

Brand

•  Brand Fréres (1)
•  Wild Heerbrugg (12)