Post Office Boxes
UPTIN 379.       Post Office Box (UPTIN)                   3 Ratio                   4 Ratio
                      (a) with Br block (Routine)
                      (b) with Br block (Deluxe)
UPTIN 380.       Post Office Box, Dial type, 5 dials (UPTIN)
UPTIN 381.       ---------------Do-------------, 6 dials (UPTIN)

Note: Galvanometer fitting extra for above.
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