Tachymeter #2
Tachymeter #3
Tachymeter #4
The Berger Complete Engineers' and Surveyors' Transit No. 1C
The Berger Complete Mine Transit No. 4
The Berger Complete Mine Transit No. 4K
The Berger Engineers' 18 Inch Wye Level
The Berger Engineers' Dumpy Level
The Berger Geodetic Level
U.S. Coast and Geodetic Survey Precise Level