treadwell cambridge , massachusetts heat management. he was awarded especially for his contributions towards a " cannon of large caliber, and great strength and endurance". alvan clark cambridge , massachusetts improved refracting telescopes george henry corliss providence , rhode island for improving the steam...
valve noise to whatever level the customer requires. there are two types of ventx inline silencers: the first is for used with a control valve and offers pressure and noise reduction; the second type offers minimal pressure loss and is used on compressors' inlets. silencers for pipes, vessels and steam...