The telescope of a dumpy level:
AIs rigidly fixed to the levelling head
BCan be tilted in a vertical plane
CCan be taken out of its support and reversed
DPermit interchange of eyepiece and object glass
AIs rigidly fixed to the levelling head
BCan be tilted in a vertical plane
CCan be taken out of its support and reversed
DPermit interchange of eyepiece and object glass
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