His eye was upon his business in all its ramifications; he mastered every detail and worked hard.
From the time Jonas Chickering began to work for a piano-maker, he was noted for the pains and care with which he did everything.

To him there were no trifles in the manufacturing of pianos.

Neither time nor labor was of any account to him, compared with accuracy and knowledge.
He soon made pianos in a factory of his own.

He determined to make an instrument yielding the fullest and richest volume of melody with the least exertion to the player, withstanding atmospheric changes, and preserving its purity and truthfulness of tone.

He resolved that each piano should be an improvement upon the one which preceded it; perfection was his aim.