Fitting The Puzzle
:
THE MITRED JOINT
The three central bars must first be joined, as those form the skeleton framework of the structure. shows them in position, but as it is a puzzle in itself as to how they can be got thus some explanation is necessary.
Fig. 375.—The Three Central Bars in Position. |
Fig. 376.—How to Adjust the Bars. (Note position of projecting ends, a.) |