Broadwood worked assiduously from the start to develop and refine the piano, moving the wrest plank of the earlier pianofortes from the side of the case to the back, straightening the keys, and replacing the hand stops with pedals.
Broadwood worked assiduously from the start to develop and refine the piano, taking out a patent in 1777 for the first "grand piano". Broadwood moved the wrest plank of the earlier pianofortes from the side of the case to the back, straightened the keys, and replaced the hand stops with pedals.