The " solders " used for red gold contain 1 part of copper and 5 of gold; for light gold, 1 part of copper, I of silver and 4 of gold.
It also explains why aluminium is so difficult to join with lowtemperature solders, for these mostly contain a large proportion of lead.
Certainly if conventional lead-containing solders have been used, it may be prudent to repair using the same materials.
This is increasingly the case, as lead-free soldering is beginning to be introduced to the industry with its accompanying higher melting point solders.
The solders of the Roman Empire served for twenty years.
While solders were issued a uniform, officers had to buy their uniforms.
Even the redesign wasn't necessarily the best - for example, the leggings issued to the solders were canvas, which quickly molded in the humid and wet conditions at the front.
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