- 1Reference: AQ6/4/4
Title: Press release re ‘Allen engines for Sinai coal mine’
Level of description: item
Date Free Text: September 1991
Production date: From: 1991 To: 1991 - 2Reference: X567/96
Title: Bundle of miscellaneous notes on various matters including:
Level of description: item
Date Free Text: Undated [c.1865 - c.1874]
Production date: From: 1860 To: 1879