POCKET TRANSIT DQL8 GEOLOGICAL COMPASS À BEHREN LÈS FORBACH

Compas de relevé géologique Transit DQL-8  en Aluminium  dans un état neuf, jamais servi  Avec copie notice BRUNTON      Metal construction     Measure direction,obliquity,gradient,upright,horizontal     Worldwide use     Professional compass DQY-8 Pocket compass:     Made of metal construction     Compass with liquid-filled     To measure direction,obliquity,gradient,upright,horizontal     Used in geology perambulation,colliery and other mine exploitation,military training. specification:     Damping time of needle:30-60s     Graduation Circle: 0°~360°     Dial scale: 1° The reading error: = 0.5°     Precision of long air level: 15'±5'/2mm     Precision of circle air level: 30'±5'/2mm     Color:Black     Material: Aluminium alloy crust     Size:80×70×35(mm)     Net- Weight: 0.24kg