[Histories (1820-1964) of BTR Industries Ltd. and associated companies (Silvertown Rubber Co. Ltd., James Lyne Hancock Ltd., British Moulded Hose Co. Ltd.) / A.G. Brown. 5 photocopy ts. vols., bound, including master index vol. 1964. See below] Histories (1820-1964) of BTR Industries Ltd. and associated companies circa 1964
[Short ts. histories (6) of French observatories / Ian Howard-Duff. 1983-4. Comprise histories of observatories at Lyon (1878-1983), 7p.; Meudon (1876-1983), 9p.; Nice (1881-1983), 11p.; Paris (1667-1983), 20p.; Besancon (1878-1984), 5p.; and Haute-Provence (1943-1984), 10p. Each also cites numerous references. Bound in-house into one volume] [Short histories of French observatories] 1983-1984