1. IOR/X/14246/92A/SW Reference (shelfmark): IOR/X/14246/92A/SW Title: Sheet 92A/SW [Machum] First Edition 1926, reprinted 1942. 1st Edition 1926; Reprinted 1942 with major corrections. Seasons 1921-22, 1925-26. Edition date 1926. Heliozincographed SIO Dehra Dun. Reg.No.2760 D'26 4500'42–14,500. Grid IIB (Yards) overprint. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item