Section 14. Whoever, himself or by his servant or agent, or as the servant or agent of another person, keeps for the purpose of sale, offers or exposes for sale, or sells any clinical thermometer not sealed, marked or certified as correct by the deputy director, or by the manufacturer as provided by the preceding section, shall be punished by a fine of not more than ten dollars for each thermometer so sold, or kept, offered or exposed for sale, and whoever violates any rule or regulation prescribed by the deputy director under authority of said section shall be punished by a fine of not more than fifty dollars.