Classic Jam and Confectionary Thermometer An adorable 1960s style jam thermometer! Classic designs for retro bakers! A jam thermometer for 60s style domestic goddesses! This beautiful blue thermometer in a traditional design will ensure that your strawberry jam is up to the highest standards in no time! Stainless Steel case, glass tube, waterproof construction, easy to read figures and Centigrade and Fahrenheit readings. Make jam that really does justice to that Victoria sponge! Traditional design manufactured to the exact same specifications, by Tala, the masters of baking and icing since 1899. Do not use in a conventional or microwave oven.