My first guess is a metronome. Except that your comment suggests a weather instrument. is it the backside of a hygrometer?
I was thinking metronome too
Some sort of instrument I am guessing.
lancecadena on 500px
My first guess is a metronome. Except that your comment suggests a weather instrument. is it the backside of a hygrometer?
ReplyDeleteI was thinking metronome too
ReplyDeleteSome sort of instrument I am guessing.
ReplyDelete