Since Verdet's constant is somewhat uncertain for different batches of glass even of the same quality, each plate should be standardized in a field of known intensity.

The same operation is repeated with fresh batches of wagons, until the sidings contain a number of trains, each intended, it may be supposed, for a particular town or district.

batches of vaccines was a lengthy process.

After ravaging the land, his own land, like a wild beast, he entered the city on the 8th of January 1570, and for the next five weeks, systematically and deliberately; day after day, massacred batches of every class of the population.

The early flowering varieties should be potted as early in September as practicable, later batches for succession being potted during October.