For taking offsets with an optical square on the right hand side of the chain line, it is held« Back to Previous Page

by left hand upright

Posted by Civil Engineer
Asked on June 17, 2016 3:23 pm
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by left hand upright

Posted by Civil Engineer
Answered on June 25, 2016 3:34 pm
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0
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by left hand upright

Posted by Civil Engineer
Answered on June 25, 2016 3:34 pm