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The medium of lead came lends itself to long flowing lines, and these
flowing lines present very acute angles for the worker to joint, which are
almost always a difficulty.

When a joint is too acute for lead dykes/nippers or a knife to cut
accurately, overlapping the joint is necessary for neatness.

Use the lead dykes to cut out the heart of the lead back to the point
where the meeting leads overlap. After cutting, the upper and lower
leaves of the came are bent back at various points. Use a fid, oyster knife or other tool to flatten the leaf and smooth the remainder of the heart on both the upper and lower leaves.

Position the came without the heart so the lower leaf is under the came it meets, and the upper leaf is over it. You can trim the leaf to butt the meeting came now or just before soldering. To trim the leaves, first align the leaf to provide a smooth line. Mark a scratch with a nail or lead knife to give a guide for cutting with lead dykes. Smooth the leaf down, flux and solder.

The other side will be done just as the first, once the panel has been soldered on the first side and turned over.

On long joints it is not necessary to do more than sweat-solder the joint.

 

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   acute angles in leading