At some time during these sacerdotal preces the choir will usually have started the sung introit, the exact time for beginning the item dependent on a number of features such as the distance from sacristy to altar.

Sometimes the veriest simplicians are most lucky; the wisest politicians least.

c. 1724, Jonathan Swift, The Drapier Demolished

They are made with a 1 in. (2.54 cm.) pinhold and are furnished in two sizes for feeders of 500,000 circ. mils and 1,000,000 circ_ mils respectively.