Right its time to put in the top tube. It’s all been mitered and is set up with resting on the tube clamps as per the drawing. then its time to tack it and check it:

fillet brazed front end

The oval top tube looks good even though the joint is not finished yet.

20131105_221919

Then its checked against the drawing. then i put it in the jig so i can set up the rear end.

steel frame on bike jig