The firm produced both barrel organs and pipe organs. In 1862 Henry built the first electric key-action organ which he installed in Drury Lane Theatre in 1862. In 1868 the firm acquired sole rights to use the electro-pneumatic technology originally developed by Charles South. Barker in France.
Henry had two sons, Henry (born 1832) and John (born 1839) who both worked for the firm Henry senior retired around 1860.