Petterson waterbottle insulating thermometer
Insulating thermometer by Negretti and Zambra for Petterson waterbottle
Insulating thermometer by Negretti and Zambra for Pettersson waterbottle
Insulating thermometer by Negretti and Zambra for Petterson waterbottle
Wooden case for holding Insulating thermometer for Petterson waterbottle, 1975-393 pt.1