No person, as principal, agent, employer, employee or assistant shall, within the city of Aberdeen, by public speaking or public outcry, or by the aid or use of any sound-producing instrument or device, advertise the practice of medicine, surgery or dentistry, or solicit patronage in the practice of medicine, surgery or dentistry, or designate or indicate the name of the place of business of any practitioner of medicine, surgery or dentistry, or the price charged for any medical, surgical or dental treatment or operation.