Public garage, automobile service or gas filling station, taxi or motor vehicle station, used car lot, dry-cleaning establishment, amusement park, miniature golf course, bowling alley, shooting gallery, billiard or pool parlor and business of a similar nature, subject however, to the consent and permit of the Board of Appeals as provided in this chapter; provided, however, that the Board of Appeals will not give its consent or issue any permit for any activity which would include mechanical rides of any type.