A postilion rode on one of the horses (usually the left one) pulling a carriage. His job was either to guide the extra horses or to guide the carriage if there was no driver.
Under normal circumstances, a carriage would hire horses to make better speed. It was the postilion's job to go with the horses all the way to the next stop, where he and the horses would be replaced.
A sixpence was a coin worth 1/40 of a pound. It was in use from 1551 to 1971, when Britain adopted decimal coinage.
Calico is a fabric made of unbleached cotton. It is not dyed and was often made from cotton that was not completely processed, leaving small brownish dots in the fabric. It is a sturdy material.
Muslin is a thin cotton fabric, loosely woven so that it is extremely light and almost transparent.
Cambric, or batiste, is a light cotton or linen fabric, opaque and quite soft.
At first, one guinea was worth 1 pound, or 20 shillings. As gold prices rose, the price of the guinea fluctuated (up to 30 shillings) until in 1717 it was fixed at 21 shillings.
Long after the coin was withdrawn from circulation, prices for luxury and high class goods and services were quoted in guineas.
The militia was the civil branch of the army. Financial incentives were offered to militia men who joined the regular army. It was a way to recruit new personnel who were already trained and accustomed to military life.