1. Egerton Ch 8217 Reference (shelfmark): Egerton Ch 8217 Title: Scope & Content: Ordnance: Signet Warrants for various appointments, etc., in the Ordnance Office: 1717-1725. John Campbell, 2nd Duke of Argyll and 1st Duke of Greenwich: Signet Warrant for his appointment as Master-General of the Ordnance: 1725. Collection Area: Western Manuscripts Languages: English Date Range: 1725 Extent: 1 item