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These parts can be used to make a modified 60 ft RPO with one longer sort table and mail box sorting panel. To change the 507 B kit. These replace one ea. sort table and letter box in 507B.

DM 306A for 60 Ft Modified RPO ( 507B )

  • Table size is 17' long x 3' deep x 2' 4" deep. Mail sort box is 14' 6" long x 4' 6" high. This was mandated from the USP postal plan for April 1, 1940.
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