§ 389. Chaplains in Rensselaer county. The board of supervisors of the county of Rensselaer is hereby authorized and empowered from time to time to designate as chaplains to the Rensselaer county tuberculosis hospital in such county, known as the "Pawling Sanitarium," not less than two and not more than three chaplains, no two of such chaplains to be of the same religious denomination, and to provide for their compensation and expenses.