The Artist's Assistant: Or School of Science; Forming a Practical Introduction to the Polite Arts: in Painting, Drawing, Designing, Perspective, Engraving, Colouring, &c., with Ample Directions for Japanning, Enamelling, Gilding, Silvering, Lacquering, &c. and a Valuable Selection of Miscellaneous Secrets

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proprietors, 1801 - 307 pagine
 

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Pagina 4 - Ancients have commonly allowed eight heads to their figures, though some of -them have but seven ; but we ordinarily divide the figures into ten faces*; that is to say, from the crown of the head to the sole of the foot, in the following manner: " From the crown of the head to the forehead is the third part of a face. " The face begins at the root of the lowest hairs which are upon the forehead, and ends at the bottom of the chin. " The face is divided into three proportionable parts; the first contains...
Pagina 4 - The bone of the arm, called humerus, is the length of two faces from the shoulder to the elbow. From the end of the elbow to the root of the little finger, the bone called cubitus, with part of the hand, contains two faces. From the box of the shoulder-blade to the pit betwixt the collar-bones one face.
Pagina 198 - For a scarlet japan ground, vermilion may be •sed : but the vermilion has a glaring effect, that renders it much less beautiful than the crimson produced by glazing it over with carmine or fine lake, or- even with rose pink, which has a very good effect used for this purpose. For a very bright crimson, nevertheless, instead of glazing with carmine, the Indian lake should be...
Pagina 138 - He replied, an unity of light and an .xinity of fhadow fhould pervade the whole. He explained to me the difficulty of reducing the various colours of all the objects that may be included in a picture, and the various modifications of thofe colours, to the fimple harmonious ftate he defcribed, and illuftrated what he had faid by this fimile.
Pagina 205 - When a sufficient number of coats is thus laid on, the work is fit to be polished ; which must be done, in common cases, by rubbing it with a rag, dipped in tripoli, or...
Pagina 135 - ... a little at a time, stirring the wax continually until the whole quantity of gum is perfectly melted and incorporated : then throw the paste into cold water, and when it is hard, take it out of the water, wipe it dry, and beat it in one of Mr.
Pagina 175 - Take of virgin wax and asphaltum, each two ounces, of black pitch and burgundy pitch each half an ounce. Melt the wax and pitch in a new earthenware glazed pot, and add to them, by degrees, the asphaltum, finely powdered. Let the whole boil till such time as...
Pagina 194 - ... is betwixt the common kind and glue, mixed with as much whiting as will give it a sufficient body of color to hide the surface of whatever it is laid upon, but not more.
Pagina 67 - Procure some of the purest and whitest spermaceti you can obtain ; melt it over a gentle fire in a clean earthen vessel ; when fluid, add to it onethird of its weight of pure poppy oil, and stir the whole well together ; these things being in readiness, place the stone on which your colours were ground on a frame or support, and by means of a charcoal fire under it make the stone warm ; next grind your colour...
Pagina 195 - ... coarse , varnish, composed in the following manner. Take of rectified spirits of wine one pint, and of coarse seed-lac and resin, each two ounces ; dissolve the seed-lac and resin in the spirit, and then strain off the varnish. This varnish, as well as all others formed of...

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