But even these terms of art, or customary expressions, are not to be used with affectation, and with a needless repetition, where they are not called for.

Nor should a tradesman write those out-of-the-way words, though it is in the way of the business he writes about, to any other person, who he knows, or has reason to believe, does not understand them—­I say, he ought not to write in those terms to such, because it shows a kind of ostentation, and a triumph over the ignorance of the person they are written to, unless at the very same time you add an explanation of the terms, so as to make them assuredly intelligible at the place, and to the person to whom they are sent.

A tradesman, in such cases, like a parson, should suit his language to his auditory; and it would be as ridiculous for a tradesman to write a letter filled with the peculiarities of this or that particular trade, which trade he knows the person he writes to is ignorant of, and the terms whereof he is unacquainted with, as it would be for a minister to quote the Chrysostome and St Austin, and repeat at large all their sayings in the Greek and the Latin, in a country church, among a parcel of ploughmen and farmers.  Thus a sailor, writing a letter to a surgeon, told him he had a swelling on the north-east side of his face—­that his windward leg being hurt by a bruise, it so put him out of trim, that he always heeled to starboard when he made fresh way, and so run to leeward, till he was often forced aground; then he desired him to give him some directions how to put himself into a sailing posture again.  Of all which the surgeon understood little more than that he had a swelling on his face, and a bruise in his leg.

It would be a very happy thing, if tradesmen had all their lexicon technicum at their fingers’ ends; I mean (for pray, remember, that I observe my own rule, not to use a hard word without explaining it), that every tradesman would study so the terms of art of other trades, that he might be able to speak to every manufacturer or artist in his own language, and understand them when they talked one to another:  this would make trade be a kind of universal language, and the particular marks they are obliged to, would be like the notes of music, an universal character, in which all the tradesmen in England might write to one another in the language and characters of their several trades, and be as intelligible to one another as the minister is to his people, and perhaps much more.

I therefore recommend it to every young tradesman to take all occasions to converse with mechanics of every kind, and to learn the particular language of their business; not the names of their tools only, and the way of working with their instruments as well as hands, but the very cant of their trade, for every trade has its nostrums, and its little made words, which they often pride themselves in, and which yet are useful to them on some occasion or other.