Section 102. Whoever wilfully and intentionally throws at or near any person and whoever wilfully, intentionally and without right throws into, against or upon, any property real or personal, or puts, places or explodes or causes to be exploded in, upon or near such property, or near any person, gunpowder or other explosive, or a bombshell, torpedo or other instrument filled or loaded with an explosive with an intent unlawfully to destroy or damage property or to injure any person, or whoever has in his possession or under his control such an article or instrument with said intent, shall be punished by imprisonment in the state prison for not more than twenty years, or in the house of correction for not more than two and one half years, or by a fine of not more than twenty-five thousand dollars, or both.