US Navy Barometer ML-448/UM, functions. Companion to Chelsea clock with 6 in dial, this listing is for a barometer only, the Last picture is for reference only to show a ML-448 barometer next to Chels...
US Navy Barometer ML-448/UM , Functions. Companion to Chelsea clock with 6 in dial, this listing is for a barometer only, the clock pictured is not included and is for size reference only. The item ...