. Railroad structures and estimates . stations where necessary tocollect the mail wliile the train is running. The main post, either of wood or steel, is set up about 10 center of track, and attached with a blocking piece to twoextra long track ties, the post being staj^ed at the back by adouble brace. ~7-1h<° KBolt 9*1 9 Sawn Tiea uo Ig. Fig. 204. C. P. R. Standard Mail Crane. 424 MAIL CRANES. At the top of the post about three-foot centers two horizontalarms project 3 ft. towards the track arranged to hold the mailbag. The arms have a steel spring attachment at the post en
. Railroad structures and estimates . stations where necessary tocollect the mail wliile the train is running. The main post, either of wood or steel, is set up about 10 center of track, and attached with a blocking piece to twoextra long track ties, the post being staj^ed at the back by adouble brace. ~7-1h<° KBolt 9*1 9 Sawn Tiea uo Ig. Fig. 204. C. P. R. Standard Mail Crane. 424 MAIL CRANES. At the top of the post about three-foot centers two horizontalarms project 3 ft. towards the track arranged to hold the mailbag. The arms have a steel spring attachment at the post endso that when the bag is released they automatically rise andfall towards the post, one going up and the other down. () A light iron ladder is placed for convenience of the operator,so that he may be able to catch the arms and tie the mail bag inposition. Approximate cost of an iron mail crane complete, $35. The relation of the mail crane to the mail car is shown, , and the design of the catcher across the door of the car,Fig. 206; the catcher is operated by the mail clerk pulling theupper handle which brings it into a horizontal position ready toengage and catch the bag suspended on the mail crane. Onreleasing the handle the catcher drops down into a verticalposition as shown on the elevation.
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
