Analogue window thermometer
This rotatable window thermometer is attached to the window frame outside with its functional holder. Just use the screws to put it into the right position. Now you can easily read the outside temperature from the comfort of your living room.
The thermometer is entirely manufactured in Germany. A 2-point adjustment makes it very accurate.
The capillaries are filled with a specially coloured alcohol, as the dangerous mercury is no longer used for it.