. Railway mechanical engineer . thesame time keeping them weather tight and burglar proof isshown in the accompanying photograph. It is made of malle-able iron and it is claimed to lie indestructible and so ar-ranged that the shutter can not be lost out. This shutter, which is manufactured by the Wine RailwayAppliance Company, Toledo, Ohio, is made in two types, onefor ventilating purposes only, the other to permit a largeropening for loading cars with lumber and other long two types are interchangeable and are both made ofstandard parts. Two side pieces and five cross pieces make


. Railway mechanical engineer . thesame time keeping them weather tight and burglar proof isshown in the accompanying photograph. It is made of malle-able iron and it is claimed to lie indestructible and so ar-ranged that the shutter can not be lost out. This shutter, which is manufactured by the Wine RailwayAppliance Company, Toledo, Ohio, is made in two types, onefor ventilating purposes only, the other to permit a largeropening for loading cars with lumber and other long two types are interchangeable and are both made ofstandard parts. Two side pieces and five cross pieces make up the frame,and they are securely riveted together to fonn a rigid con-struction. Brackets are cast integral with the side pieces toform supports for carrying the shutters. The lugs cast oneach of the shutters form hinge joints, carrying the weightand permitting rotation. The shutters are so designed that the standard ventilator are 24 in. by 30 in. and the totalweight is 120 lb., but anv other size desired can be Shutter tn Closed Position when closed they completely fill the opening between the crosspieces. Their shape is such that when they are open theyobstruct a direct passage through the ventilator, thus prevent-mg the entrance of rain, sleet or snow. The shutters are connected together and operated by ashutter bar which is attached to each individual shutter withcotter pins. The frame acts as a stop to this bar, thus lim-iting the up and down travel. When the shutters are eitherfully open or closed, the center of gravity is beyond the cen-ter of the hinge lugs, so that the weight of the shutters pre-vents them from changing their position. While permittingample space for proper ventilation the distance between thelattices is small enough to make it impossible for anyone tocreep through and enter the car. The overall dimensions of A ROD AND DRAWBAR UPSETTINGMACHINE An upsetting machine is shown in the illustration whichwill shorten, lengthen, and straighten


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering