ark, of Cambridgeport) to the firm of Warner & plus air, which in many cases amounts to 50 or 75 per cent of the power really necessary. Swasey, Cleveland, Ohio, for the sum of $42,000. Messrs. Warner & Swasey were successful in a compe- This machine consists in having a branch pipe, O, attached to… … adjusted as to render the use of power when the pressure rises three or four pounds above the working pressure, it unnecessary. Messrs. Warner & Swasey are to have this mounting This invention has been patented by Mr. Wilbur 8. lifts the relief valve against the pressure on the relief Mayers, of…
Internet Archive · Public domain (published before 1931). Free to use for anything.