After developing the proof is coated withalumed gelatine, and when dry transferred as usual.
Silks are always alumed in the cold, because when they are alumed in a hot bath, they are apt to lose a portion of their lustre.
Then alumedin the proportion of 1 of alum to 4 of the cotton (see page 28).
The cotton must be scoured, then galled in the proportion of 1 part of nut galls to 4 of cotton, and lastly alumed in the proportion of 1 of alum to 4 of cotton.
It is for this reason that silks cannot be alumed with heat; and that they lose some of their lustre in being dyed brown, a colour which requires a boiling hot bath.
For a rose colour, the cotton is alumed as usual, and washed from the alum.
The goods are dipped into a warm solution of the alum, wrung out, dried, and alumed afresh, with half the quantity.
The violet of logwood upon alumed wool becomes of a dull brown at the same temperature in the same time.
A more beautiful violet may be communicated by passing the alumed silk through a bath of brazil wood, and after washing it in the river, through a bath of archil.
Luteoline is but sparingly soluble in water; but it nevertheless dyes alumed silk and wool of a fine jonquil colour.
To get a good, fast black on chamois and suede leathers is one of the difficult processes in the leather trade, although it is easier to get a good black on alumed or chromed leather than on vegetable-tanned.
Combination tannages have lately been produced, however, which remove the defects of alumed leather.
Alumed leather is washed in a solution of borax or carbonate of ammonia to remove uncombined dressing in order to prepare it for dyeing.
Silk should be alumed cold, for when it is alumed hot, it is deprived of a great part of its lustre.
It is soluble in water and in alcohol, slightly soluble in ether, and dyes alumed goods yellow.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "alumed" in a variety of sentences. We hope that you will now be able to make sentences using this word.
