The Franklin Journal, and American Mechanics' Magazine

air bags apparatus applied atmosphere axles blades boiler bottom brick carbonic acid cent centre centum coal Coleman Sellers column combustion connected construction cost cubic cylinder diameter distance dynamometer effect engine experiments feet flame foot Franklin Institute friction furnace geographical miles glass heat held stationary horizontal increased length less Lowell magnetic manganese means mechanical metal meters method Metropolitan Railway miles per hour minute motion needle number of revolutions obtained oxygen ozone Pernot Philadelphia pier pig iron pipe piston pitch placed plates pounds per square pressure produced propelling efficiency proportion puddling puddling furnace pump quantity Railway relay revolutions per minute revolving freely roll shaft side speed of vessel square inch steam steel stern-post supply surface tank temperature thickness tion tons tube valve vapor vertical position vessel and screw wall weight wheel wrought iron