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Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m. The focal length of object glass was 25 cm. The distance between the object glass and trunion axis of

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Page 1: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m. The focal length of object glass was 25 cm. The distance between the object glass and trunion axis of

Scanned by CamScanner

Page 2: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m. The focal length of object glass was 25 cm. The distance between the object glass and trunion axis of

Scanned by CamScanner

Page 3: Scanned by CamScanner · 50 m away from a tacheometer were 1-285 and 1-780 m. The focal length of object glass was 25 cm. The distance between the object glass and trunion axis of

Scanned by CamScanner