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Young's Demonstrative Translation of Scientific Secrets by Daniel Young
page 81 of 236 (34%)
Boil them in strong logwood liquor 3 or 4 hours, occasionally adding
green copperas, and taking the bonnets out to cool in the air, and
this must be continued for some hours. Let the bonnets remain in the
liquor all night, and the next morning take them out, dry them in
the air, and brush them with a soft brush. Lastly, rub them inside
and out with a sponge moistened with oil, and then send them to be
blocked. Hats are done in the same way.


222. TO DYE WHITE GLOVES A BEAUTIFUL PURPLE

Boil 4 oz. of logwood, and 2 oz. of roche-alum, in 3 pints of soft
water, till half wasted; let it stand to be cold after straining.
If they be old gloves let them be mended; then do them over with a
brush, and when dry repeat it. Twice is sufficient unless the colour
is to be very dark; when dry, rub off the loose dye with a coarse
cloth; beat up the white of an egg, and with a sponge, rub it over
the leather. The dye will stain the hands, but wetting them with
vinegar before they are washed will take it off.



223. TO BLEACH STRAW HATS, &c.

Straw hats and bonnets are bleached by putting them, previously
washed in pure water, in a box with burning sulphur; the fumes which
arise unite with the water on the bonnets, and the sulphurous acid,
thus formed, bleaches them.


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