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.)