SHAPE 34 |
Where the overall dimension of the bob is critical use shape 37. |
SHAPE 35 |
Do not use this shape where the overall dimension of either bob is critical. |
SHAPES 37 & 51 |
The formulae is approximate. |
SHAPES 42 & 49 |
The formulae for 'L' should not be used for angles with horizontal exceeding 45°. |