Spectroscopy, colorimetry, and biological chemistry in the nineteenth century.

Spectroscopy, colorimetry, and biological chemistry in the nineteenth century.

The development of colorimetry and spectroscopy in the nineteenth century is described. An account is given of the application of their techniques to biological chemistry during that period.

The Nineteenth Psalm in the Criticism of the Nineteenth Century

2 The heavens declare the glory of God, And the firmament showeth his handiwork. 3 Day unto day uttereth speech, And night unto night showeth knowledge. 4 There is no speech nor language, Their voice is unheard. 5 Their line is gone out through all the earth, And their words to the end of the world. In them hath he set a tabernacle for the sun, 6 Which is as a bridegroom coming out of his chamb...

Chemistry and the two organic kingdoms of nature in the nineteenth century.

THE CHEMICAL investigation of animals and plants had been recognized in the eighteenth century as an important area of research, which was likely to lead to a fuller understanding of the process of life.1 But, contrary to expectation, little progress was achieved, and this remained the case during the early nineteenth century, because of the simplification of the problems involved and the conti...

The nineteenth-century quarantine narrative.

Two nineteenth century surgeons.

the biggest problem in guerilla warfare and at one time we were carrying so many wounded on stretchers, with two men carrying, that there were few left to fight. Food was very scarce; we seemed to live on boiled billy goat-which tastes as the billy goat smells-and a rock hard maize bread "chicken mash," equally unpalatable. Vegetables were never seen. Later we could get sheep milk yogurt and in...