The scale of judicial fines is given in the denarius (" which makes so many solidi"), and it is known that the monetary system of the solidus did not appear until the Merovingian period.
All mixtures whose temperature lies above the line ACB are wholly liquid, hence this line is often called the "liquidus "; all mixtures at temperatures below that of the horizontal line through C are wholly solid, hence this line is sometimes called the " solidus," but in more complex cases the solidus is often curved.
At temperatures between the solidus and the liquidus a mixture is partly solid and partly liquid.
Rejecting all weights of the lower empire, the average (44) of about l00 is 4956; while 42 later Greek weights (nomisma, &c.) average 4857, and 16 later Latin ones (solidus, &c.) show 4819.
In Bryzantine times in Egypt glass was used for coin-weights (30), averaging 68.0 for the solidus = 4896 for the libra.
