. Railway mechanical engineer . End of Car - % Ceiling\x2 Ceiling SupportingSirip Sfraighf OrolnOak %Bo/fs. J Hair Fell Cohered mlhAsphallum Insulating Fibrous Insulating Fbper \BSaturated with ^sphaltumBitumen Section of Applying. the Insulation to the Roof and Corners of the B. & O. Refrigerator Cars addition to this a bar Js in. thick by \fi in. wide extendsaround the top of the hatch frame for reinforcement. Thehatch door is made with a ,\. 32-in. steel plate on the under-side and a s-in. pressed steel plate on top, which are boltedto the door frame by -j^-in. carriage bolts.

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. Railway mechanical engineer . End of Car - % Ceiling\x2 Ceiling SupportingSirip Sfraighf OrolnOak %Bo/fs. J Hair Fell Cohered mlhAsphallum Insulating Fibrous Insulating Fbper \BSaturated with ^sphaltumBitumen Section of Applying. the Insulation to the Roof and Corners of the B. & O. Refrigerator Cars addition to this a bar Js in. thick by \fi in. wide extendsaround the top of the hatch frame for reinforcement. Thehatch door is made with a ,\. 32-in. steel plate on the under-side and a s-in. pressed steel plate on top, which are boltedto the door frame by -j^-in. carriage bolts. Tlie upper plateis ribbed to give it additional strength and is flanged down-ward on all four edges to protect the joints from the steel plates four layers of }i-in. hairfelt withfelt paper above and below are applied for insulation. Thelock Ijar is so designed that the hatch door must l^e tightlyclosed Ijefore the door can lie locked. A series of holes areprovided in the lock bar to mesh with a hole in a bracketattached to the top coverplate of the door, to permit holdingthe hatch door open at desired heights when the car is usedin ventilator service. These cars are equipped with the Westinghouse type Kbrakes. The truc

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering