As a rule, plans. Elevations and sectional drawings are placed side by side, or directly above and below one another, as if in projection. The numbers Of illustrations in the three editions Of the Car Builder's Dictionary issued in 1879. 1884 and.1895 are respectively 811, 2188, 5683. The general arrangement of engravings adopted in the last edition has been retained, the engravings being classified and arranged alphabetically under the following subjects: Cars, Car-bodies, Car-body details, Car-furnishings, Trucks, Thick-details, Master Car Builder's Standards and Recommended Practice, Hand cars, Street-cars. Considerable new matter has been introduced under the subject of details Of separate parts Of car-bodies with their forms and dimensions. This includes the details Of parts of a box-car, a fiat-car. A gondola-car, a four-wheel caboose-car, a baggage-car, and details of several freight and passenger car-trucks. Vestibules have come into use since the issue of the last edition and are therefore a new subject in the Car Builder's Dictionary. The leading types of vestibules in use are shown in general view and by detailed drawings.