|
US1135153A
|
|
Surveyor's instrument.
|
|
US1148349A
|
|
Spirit-level.
|
|
US1125939A
|
|
Surveyor's instrument.
|
|
US1115774A
|
|
Compass.
|
|
US1003419A
|
|
Surveying instrument.
|
|
US1016606A
|
|
Engineer's telescope.
|
|
US1016732A
|
|
Magnetic needle.
|
|
US906680A
|
|
Base for surveying instruments.
|
|
US696401A
|
|
Lateral adjuster for surveying instruments.
|
|
US690009A
|
|
Attachment for transits.
|
|
US672886A
|
|
Equatorial adapter for transits.
|
|
US675189A
|
|
Vernier for surveying instruments.
|
|
US673233A
|
|
Telescope-lens adapter.
|
|
US690045A
|
|
Bracket for surveying instruments.
|
|
US690008A
|
|
Equatorial adapter for mine-surveying instruments.
|
|
US672885A
|
|
Surveying instrument.
|
