Customary home occupations, such as the office of physician, dentist, surgeon, veterinarian, dressmaker, caterer, musician, artist, beautician or barber, under the following restrictions: That such uses are located in the dwelling used by a person as his/her private residence; that no assistant, except that of a receptionist or secretary, other than a member of the family household, is employed; and that no window display or sign, either illuminated or more than one (1) square foot in area, is used to advertise the same.