29. — Any person who —

( a ) on or in connection with the sale or purchase of any goods,

( b ) in exposing or offering any goods for sale,

( c ) in purporting to make known to the buyer the quantity of any goods sold, or

( d ) in offering to purchase any goods,

makes any misrepresentation whether oral or otherwise as to the quantity of the goods, or does any other act calculated to mislead a person buying or selling the goods as to the quantity of the goods, shall be guilty of an offence.