A Text-book of Tanning: A treatise on the conversion of skins into leather, both practical and theoretical.Procter, H. R. (Henry Richardson)
Science
A Text-book of Tanning: A treatise on the conversion of skins into leather, both practical and theoretical.
Procter, H. R. (Henry Richardson)
Tanning
│ No change.│ Turns red.│ Slight │ No change. │ No change.│
│ │ │ │ reddening. │ │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│Dark brown │ Intense │ Intense │ Deep red no│ Dark brown │ Yellow. │
│or crimson.│ crimson. │purple-red.│ pp. on │ or crimson.│ │
│ │ │ │dilution. │ │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│Pale pp. │ Pale pp. │ Clouding. │ No pp. │ Faint │ White pp. │
│ │ │ │ │ clouding. │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│ Purplish │ Purple pp.│ Brown pp. │ Brown pp. │ No pp. │ Purple pp.│
│ pp. │ │ │ │ │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│Slight │ Slight pp.│ No pp. │ No pp. │ Ditto. │ White pp. │
│ clouding. │ │ │ │ │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│Slight │Light brown│ Dark red │ Dark red │ Dark red │ Crimson │
│ darkening.│ pp. │ colour. │ colour. │ colour. │ colour. │
│ │ │ │ │ │ Brown pp. │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│ No pp. │ Clouding. │ No pp. │ No pp. │ No pp. │ No pp. │
│ │ │ │ │ │ │
┼───────────┼───────────┼───────────┼────────────┼────────────┼───────────┤
│ Ditto. │ Brown pp. │ Brown pp. │Brown │ Brown pp. │ Brown pp. │
│ │ slowly │ │ colour. │ slowly │ │
│ │ formed. │ │ │ formed. │ │
┴───────────┴───────────┴───────────┴────────────┴────────────┴───────────┘
QUANTITATIVE DETERMINATION.
Public-domain text, read in full here on John Shaqi.
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