It was ordered, that his name should be sung in a solemn procession of the Salii; that crowns of oak, in allusion to his victories, should be placed upon curule chairs in the hall pertaining to the priests of Augustus; and that an effigy of him in ivory should be drawn upon a chariot, preceding the ceremonies of the Circensian games.
— from The Lives of the Twelve Caesars, Complete by Suetonius

In the case of A, Christianity is a cure, or at least a taming process (under certain circumstances it serves the purpose of making people ill: and this is sometimes useful as a means of subduing savage and brutal natures).
— from The Will to Power: An Attempted Transvaluation of All Values. Book I and II by Friedrich Wilhelm Nietzsche

Suffering is made contagious by pity; under certain circumstances it may lead to a total sacrifice of life and living energy—a loss out of all proportion to the magnitude of the cause (—the case of the death of the Nazarene).
— from The Antichrist by Friedrich Wilhelm Nietzsche

There are other actions which are commonly performed under certain circumstances, independently of habit, and which seem to be due to imitation or some sort of sympathy.
— from The Expression of the Emotions in Man and Animals by Charles Darwin

Fourthly, all labour performed under capitalist conditions is [Pg 71] divided into two parts: paid labour which restores the wages advanced, and unpaid labour which creates profit and rent, or surplus value.
— from The Accumulation of Capital by Rosa Luxemburg

ex elevatione F , posita una cuspide circini in linea D .
— from Rules and Examples of Perspective proper for Painters and Architects, etc. In English and Latin: Containing a most easie and expeditious method to delineate in perspective all designs relating to architecture by Andrea Pozzo

The principal effects of heat are the sensations of warmth or cold consequent on its entry or egress into or out of our bodies; the dilatation it causes in the dimensions of all substances in which it is accumulated; the changes of state it produces in the melting of solids, and the conversion of them and of liquids into vapour; and the chemical changes it performs by actual decompositions effected in the intimate molecules of various substances, especially those of which vegetables and animals are composed; to which we may add, the production of electric phenomena under certain circumstances in the contact of metals, and the developement of electric polarity in crystallised substances.
— from Preliminary Discourse on the Study of Natural Philosophy by John F. W. (John Frederick William) Herschel

If, however, we deal with a particular animal placed under certain conditions, it is then possible to ascertain the amount of fat which a given weight of non-plastic food will produce.
— from The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock by Cameron, Charles Alexander, Sir

The essential fact, so far as we are concerned, is that in twining plants we have a very marked tendency to inequalities in longitudinal growth on different aspects of the stem—a tendency which is but an exaggerated manifestation of one which is more or less present, under certain conditions, in all plants whatsoever.
— from On Growth and Form by D'Arcy Wentworth Thompson

Posito uno crure circini in puncto F lineæ rectæ EF , alioque crure posito ubilibet in O , fiet circulus GFI , & ex puncto G diameter GI .
— from Rules and Examples of Perspective proper for Painters and Architects, etc. In English and Latin: Containing a most easie and expeditious method to delineate in perspective all designs relating to architecture by Andrea Pozzo

1810 84 0 0 ” ” 1815 80 0 0 ” ” 1820 47 0 0 ” ” 1825 27 0 0 ” ” 1830 23 0 0 ” ” 1832 21 0 0 ” ” 1835 23 0 0 ” ” 1840 21 0 0 ” ” 1846 18 0 0 ” ” 1850 13 15 0 ” ” 1855 10 15 0 ” ” 1857 13 10 0 ” ” 1860 11 0 0 ” ” 1868 10 12 0 ” Prop., Uses, &c. Chlorine is a gas possessing a yellowish-green colour, and a pungent, suffocating odour.
— from Cooley's Cyclopædia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I by Richard Vine Tuson

We were well treated by the enemy while we stayed on board their Ship; and were afterwards landed at the Island of Martinico , and put under close confinement in a prison Ship.
— from A short account of the extraordinary life and travels of H. L. L.---- native of St. Domingo, now a prisoner of war at Ashbourn, in Derbyshire, shewing the remarkable steps of Divine providence towards him, and the means of his conversion to God by H. L. L.

“I confess,” said he, “that being a prisoner, under certain circumstances, is a fine life.”
— from The Puppet Crown by Harold MacGrath

The groin-ribs have no room to descend upon the Perpendicular choir-capitals, and end prematurely upon corbels carved into faces.
— from Bell's Cathedrals: The Cathedral Church of Ripon A Short History of the Church and a Description of Its Fabric by Cecil Walter Charles Hallett