Dial thermometer (bimetal type) stainless steel 100mm temperature gauge
This thermometer belonged to my great-grandfather. What are the substances at the bottom? The red liquid and tiny metal balls? (It's about 5 inches long) : r/Whatisthis
Brannan 32/424/0 Dial Thermometer, Bottom Connection, 63 mm
Bi-Metal Thermometer Temperature Gauges - Bottom Entry Style with 1/2" BSP Pocket