...maybe supported on posts beneath the floor of the hall, and if the space under the floor is not to he used for another room, this is a very good method...employed for girders when a single timber will not suffice, and although they are expensive, the saving in labor helps to offset the extra cost of the...

...elevation. The elevations of the different lines of girders are so adjusted that the floor joists BB which rest on them will slope steadily upward as they...employed for girders when a single timber will not suffice, and although they are expensive, the saving in labor helps to offset the extra cost of the...

...Immediately around the platform there will be a spaee I), the floor of which will be level, and the slojx) will start several feet away from the platform. Heavy...employed for girders when a single timber will not suffice, and although they are expensive, the saving in labor helps to offset the extra cost of the...

...or in any building where heavy loads must be carried, it is often impossible to get a single piece which is strong enough to do the work. In this case...trussed girder of wood, or to build up a compound wood girder out of a number of single pieces, fastened together in such a way that they will act like...

...or in any building where heavy loads must be carried, it is often impossible to get a single piece which is strong enough to do the work. In this case it becomes Fig. 222. Cutting Girders to Fit Steel Beums necessary to use either a steel beam or a trussed girder...