Help on Soldering Tips from the Undergraduate laboratory, Electrical Engineering Dept., University of Pennsylvania.
Strain Gage Soldering Techniques Outlines recommended procedures and materials for attaching leadwires to strain gage solder tabs or to bonded printed-circuit terminals.
Soldering Basics Advice about soldering, resoldering, and workmanship.
AAA Welder Plans and instructions for building a 70 amp welder using transformers from discarded microwave oven.
Cole Sonafrank Remarks on lead free stained glass soldering using the foil method and links to other stained glass and mosaic resources.