The solders that we have found to answer our purpose best are composed of the following elements. The first is described again as hard solder, but it is not nearly so hard as the one previously described.

Best hard silver solder, 3s. 9d. per oz.

oz.dwts.grs.
Fine silver0160
Shot copper0312
Spelter0012
100

Best hard silver solder, same as above.

oz.dwts.grs.
Fine silver100
Shot copper049
Spelter0015
150

Medium silver solder, 3s. 6d. per oz.

oz.dwts.grs.
Fine silver0150
Shot copper040
Spelter010
100

Medium silver solder, same as above.

oz.dwts.grs.
Fine silver100
Shot copper058
Spelter018
1616