he blind have tongues sliding in vertical grooves to clear the track of any-depth of snow that could be in the uprights of the window frame, while the slats removed by any snow plow propelled by one or = have end pivots passed into the grooves, and are locomotives. connected at the front and back… … attached. .The drawhead and hook are formed in one piece, and are sheet metal covering. The construction allows the secured to the car in the usual way by meansof a draw- at the desired inclination and allow them to lie front part of the plow to be sprung down upon the bolt, as shown in Fig. 3,…
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