Two Vintage Casella London Meteorological Glass Thermometers L: 34 cm SOLD AS IS

This item is secondhand and in good condition. Both thermometers are marked Casella London and measure 34 cm in length with a diameter of approximately 14 mm. On the one thermometer the low limit of temperature range is -20 degrees celsius and the upper limit of temperature range is 50 degrees celsius. The second thermometer has a low limit of temperature range of -30 degrees fahrenheit and an upper limit of temperature range of 100 degrees fahrenheit. Both thermometers are white backed, silver liquid, round bulb 14-15mm in diameter with ring device at the upper end of the solid stem. I cannot guarantee that they are working. PLEASE NOTE, SOLD AS IS. This is a fantastic addition to a scientific collection. Welcome to combine items.