Baron von Olsträd’s Sketchbook #7 In today’s illustration, the Baron attempts to appeal to our humanity by depicting a personified furnace, suffocating for want of oxygen. Combustion furnaces should be equipped with filters, both on the gas and air lines, which must be checked periodically for blockage. The job of a filter is to strain Read More
Supplying and Serving
the Combustion Industry
An Olsträd Corporation Company
the Combustion Industry
An Olsträd Corporation Company
