Dossie, Robert, -1777 · London : Printed for J. Nourse · leaf 548
2 not be heated, as the fpirit would evaporate, and leave the tinging gums in an undiffolved flate. Where ftones are not perfectly white, but partake of brownnefs or greynefs, the colour produced by the tinges will be proportionably wanting in brightnefs ; becaufe the natural colour of the ftone is… … INDEX,
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