This is likely a Temperature Guage that measures from 0-100 Celsius. The gauge is by R.H. Strasbaugh and features a gold-colored fitting on the back, likely for a tube. Two screws on the back hold the gauge in place. The needle is unresponsive.
Additional Details
Measurements:
Diameter: about 2 ¼ inches
Height: 2 ¾ inches
Material: Metal, glass
Color: Black
Comes as is, untested. See photos for more details. What is pictured is what you will receive! Any questions will be responded to as quickly as possible. Make this rare piece of aviation history part of your collection! And feel free to take a look at the rest of our listings as we preserve aviation and space flight history and technology. All proceeds from this sale benefits the San Diego Air & Space Museum, a private non-profit 501(3)c organization to carry out its mission.
Disclaimer: Please note that we are not experts on each piece of equipment listed, and we do our best to provide a comprehensive description of each item.