Russo stoves were made in Eastern Ma. by metal fabricator Richard Russo. The company became well known for their large Fire-View models and functional coal and wood models. Some model names include:
(picture of Russo C-55)
They also made a number of fireplace insert models.
The following PDF file has specs and description of a coal wood insert by Russo:
Some parts for Russo can be had at various sources including:
The manual is here