Since it s founding more than 100 years ago, Parr Instrument Company has been engaged exclusively in the manufacture and sale of combustion bombs, calorimeters, chemical reactors, pressure vessels and a variety of related equipment. All of the company s products are developed specifically for laboratory use. Throughout Parr Instrument s long history the primary emphasis in all Parr manufacturing has been to provide its customers with quality apparatuses that are carefully designed for each application and backed by a competent technical support staff with many years of experience in this specialized field.