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INSTRUCTION MANUAL
Level and Transit-Level
10
20
30
40
50
60
70
80
90
80
70
60
50 50
30
20
20
10
10
10
10
20
20
30
30
40
40
50
50
60 60
70
80
90
80
70
60
50
40
30
20
10
50
5
0
30
3
40
4
4
50
5
50
50
FOR CUSTOMER SERVICE,
PARTS & REPAIR
CALL
815-432-9200
Prepared and edited by
HERMAN J. SHEA
Former Associate
Professor of Surveying,
Massachusetts Institute of
Technology