5 Walferdin thermometers (overflow type). 1. Minimum thermometer, bulb broken, no markings. Wellcome No. B929. 2. Maximum thermometer, Stock a Paris Centigrade scale. Wellcome No. B924. 3. Minimum thermometer E. Stock, Rue des Fosses, St. Jacques, Paris; Centigrade scale. Wellcome No. B923. 4. Minimum thermometer; no markings. Wellcome No. B921. 5. Maximum thermometer, E. Stock, 16 Rue Des Fosses, St. Jacques, Paris Centigrade scale. Wellcome No. B922. Caution! Do not wet as markings are in water soluble ink