"The beginnings of science have often the appearance of chance. A felicitous accident throws a certain natural fact un…"

"Rail travel at high speed is not possible because passengers, unable to breathe, would die of asphyxia."

"The fatalities which destroyed the men of another period originated in crafty diplomacy, soothing promises, and flatt…"

"The rose colours of madder have justly been considered as supplying a desideratum, and as the most valuable acquisiti…"

"Green...contrasts more agreeably with all colours than any other individual colour. It has accordingly been adopted w…"

"The general powers of green, as a colour, associate it with the ideas of vigour and freshness; and it is hence symbol…"

"As purple, when inclining toward redness, is a regal and pompous colour, it has been used in mythological representat…"

"Brown...is the rather indefinite appellation of a very extensive class of colours of warm or tawny hues....The term b…"

"Brown is a sober and sedate colour, grave and solemn, but not dismal, and contributes to the expression of strength, …"

"Gray denotes a class of cool cinereous colours...The grays, like the other semi-neutrals, are sober, modest colours, …"