Antique Rotator Pulley Device W M Welch Scientific Company Hand Crank Wheel Disc

Description

Antique Rotator Pulley W M Welch Scientific Company Educational Disc Siren.
Spins perfectly. Very good condition. Measures 21” x9.5”x 8”. Very heavy. Amazing piece of history. Can be used for perforated disc siren play. Please see photos and thanks for looking! CIRCA 1890's
WESTON ELECTRICAL INSTRUMENTS CO.
Newark N.J., U.S.A.  *  Patented Nov. 6, 1888
Model 1
Direct Reading Volt-Meter
Comes in the original wooden box, missing the leather strap and shows some early damage and repairs with old nails.  Overall it's in very nice presentable condition....check photo's, enlarge and you decide.
I don't know how to test it so I can't say if it works or not, so it's being sold as is with no returns.
If you have any questions, feel free to message me.
I've listed 4 different shipping services, one will be cheaper than the others, you can select which one you want at checkout.