Orbit molecular model kit (large set) with booklet, made by Cochranes of Oxford Ltd., 1981. Orbit molecular model kit with booklet, 1981. 1981
Minit molecular model kit (student pocket set) for organic and inorganic chemistry, with booklet, made by Cochranes of Oxford Ltd., 1981 Minit molecular model kit, 1981. 1981
Nicholson molecular models made by Labquip, Reading, 1981, with instruction leaflets Nicholson molecular models with instruction leaflets, 1981. 1981