Quick question can't seem to locate answer figure I'd ask when reading level in tube do you read te bottom most part or the top of the concave line
Gonna do this sideways for use of characters
17mm >)
Or
17mm )<
Turn both those 90? clockwise to understand (<) refers to reading above or below the crescent
Gonna do this sideways for use of characters
17mm >)
Or
17mm )<
Turn both those 90? clockwise to understand (<) refers to reading above or below the crescent