of Park Royal, London, NW10. Telephone: Elgar 6313. Cables: "Collosols, Harles, London"
1947 British Industries Fair Advert for halibut oil and as makers of vitamin products: Crookes Halibut Oil, Lacto-Calamine, Vitamin Products and Pharmaceutical Specialities. Exhibit tells the story of Crookes Halibut Oil from Fish to Capsule and illustrates the effects of various vitamin deficiencies. (Chemists' Supplies Section - Olympia, Ground Floor, Stand No. A.1291) 
1951 Patent - An improved box or carton. 
1951 Patent - An improved pack for bottles and other merchandise.