Any town, city, borough, fire district or incorporated school district may, by ordinance, establish a public library and may expend such sums of money as may be necessary to purchase land for a suitable site and to provide and maintain such suitable rooms or buildings as may be necessary for such library or for any library which is the property of any corporation without capital stock or for any public library established in such municipality, provided the use of such library shall be free to its inhabitants under such regulations as its trustees prescribe. Any such municipality may receive, hold and manage any devise, bequest or gift for the establishment, increase or maintenance of any such library within its limits and may retire with a pension or other reward any employee of any such library.