1. EAP1117/1/1961 Reference (shelfmark): EAP1117/1/1961 Title: 1551 Scope & Content: Six negatives of J. Walter Thompson Co. Extent: 6 negatives. Custodial history: Owned by Hamilton Studios PVT Ltd. Arrangement: Held in a single Hamilton envelope within chronological file system. Original institution reference: 1551. Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: 1930s Extent: 6 Tif images