An Act relative to the town of Richmond Free Public Library

The provided context does not include the specific provisions or policy changes of HD 4730. The abstract only states the bill's title ("An Act relative to the town of Richmond Free Public Library"), identifies the sponsors (Representative Davis and Senator Mark), and notes it received local approval. Without details on what the bill actually does (e.g., funding, governance changes), a summary of its mechanisms or affected parties cannot be created from the given information. A full summary requires the bill's text or a description of its specific provisions, which are not provided here.