Buffalo "B" volume blowers and exhausters: standard type "B" volume blower, catalog 178, section L (1910)
Buffalo Forge Company · Buffalo Forge Company · leaf 12
In applying such an exhaust system care must be taken to have thepiping of adequate diameter and with as few bends as possible. Allpockets or obstructions in the pipe must be strenuously avoided and thestock employed for the piping itself should be of a heavy gauge to resistthe wearing effect upon…