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The Blue Colouring Matter Of The Lapis Lazuli A Stone Chiefly Brought
from China, Thibet, and the shores of Lake Baikal. About the antiquity of the stone, and its colour, much has been written, and many conflicting statements have been made; but there is little doubt that our lapis lazuli was the sapphire of the ancient... The Book; Lest His Aim Be Defeated Of Reflecting In A Moderate-sized
mirror the palette as it is and might be at the present day. Arrived at age, as it were, in its twenty-first chapter, this treatise may fitly conclude with Black, the last of the series of colours. Let us hope the maxim of Sir Joshua Reynolds, that su... The Grinding Sufficient Only Of Clear Cold Jelly Of Gum Tragacanth As
will connect them into a body, and attach them to the paper in painting. Cold starch will answer the same purpose. Constant white is a sulphate of baryta, found native and known under the name of heavy-spar, or prepared artificially by adding sulphu... The Laque De Garance Which Was Tinged With The Rouge Of Carthamus
and was of course inferior in durability. As, however, liquid ammonia and alkalis generally dissolve the colours of cochineal, lac, and safflower, the test is simple. If the liquid remain uncoloured on adding ammonia to an assumed madder lake, in all ... The Name Of Giallolino And Was Variously Of A Pleasing Light Warm
yellow tint. It was opaque and of good body, not altered by the light of the sun, and might be used with comparative safety in oil or varnish, under the same management as the whites of lead. Like these, however, it was liable to change even to blackn... The Pigments Liable To Injury From Sulphuretted Hydrogen &c Are
notably those obtained from lead and copper; and that treacherous compound of iodine and mercury, known as pure scarlet. ... The Reds Seem For The Most Part To Be Composed Of Oxide Of Iron Mixed
with lime, and were probably limited to iron earths and ochres, with a ... The Same In Light And Shade Or White And Black Which Mix With
clearness. Now, there are only two ways in which this distinctness in union of contrasts can be effected in practice: the one is by hatching or breaking them together in mixture, without compounding them uniformly; and the other is by glazing, in whic... The Secondary Orange And Its Near Relatives Scarlet &c; And With
... The Secondary The Tertiary And The Semi-neutral
... The Semi-neutral Brown As The Extreme Primaries Blue And Yellow
when either compounded or opposed, afford, though not the most perfect harmony, yet the most pleasing consonance of the primary colours; so the extremes, purple and orange, yield the most pleasing of the secondary consonances. This analogy extends lik... The Term Brown Then Denotes Rightly A Warm Broken Colour Of Which
... The Tertiary Citrine On The Side Of Shade And Less Perfectly So Of
... The Third And Last Of The Primary Or Simple Colours Is Blue Which
bears the same relation to shade as yellow to light. Hence it is the most retiring and diffusive of all colours, except purple and black; and all colours have the power of throwing it back in painting, to a greater or less extent, in proportion to the... Their Chief Source The Greens Consist Of Yellow Mixed With Copper
blue. The bluish-green which sometimes appears on Egyptian antiquities, ... There Are Five Classes Of Colours Viz:--the Neutral The Primary
... These Are False Appellations Of A White Lead Called Also French
... This Principle Of Contrast Applies Even To Individual Colours And
conduces greatly to good colouring. It may be carried with advantage into the variety of hue and tint in the same colour, not only as regards light and shade, but likewise with respect to warmth and coolness, as well as to colour and neutrality. Hence... Those Which Are Positive Or Definite; And The Three Colours Of Each
genus, united or compounded in such subordination that neither of them ... Thus Russet And Olive Compose Or Unite In Dark Purple; Citrine And
... Time On A Tree Of The Common Black Spruce (abies Nigra) In The
neighbourhood of Kingston. Having been but recently observed, a sufficient quantity had not been obtained for a complete series of experiments as to its nature and uses; but the habits of the insect, as well as the properties of the dye, seemed to ind... To Blue To Which The Attribute Of Coolness Peculiarly Belongs It Is
discordant when standing alone with yellow or with red, unresolved by their proper contrasts or harmonizing colours, purple and green. As an archeus or ruling colour, orange is one of the most agreeable keys in toning a picture, from the richness and ...