The Clockmakers have come, requisitioned, to do the touch-holes, the hard-solder and filework.
"The French Revolution" by Thomas Carlyle
Borax is the best flux for hard soldering.
"Scientific American Supplement, No. 363, December 16, 1882" by Various
They tugged and hauled, and only dragged the lashing loose, while the sled seemed soldered to the hard-packed middle of the drift.
"The Magnetic North" by Elizabeth Robins (C. E. Raimond)
The hard solders are used for uniting brass, bronze, copper, and iron.
"Practical Mechanics for Boys" by J. S. Zerbe
Hard Carbon or gas coke may be soldered after coating with copper by an electrolytic process, as will be described.
"On Laboratory Arts" by Richard Threlfall
The hard solders are the spelter and the silver solders.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4" by Various
Good sound texts, hard as melted solder on a body's teeth.
"From the Five Rivers" by Flora Annie Steel