Perpetual Calendar - Brass - Yellow copper (partly patinated)

Perpetual Calendar - Brass - Yellow copper (partly patinated)

Perpetual calendar made of copper with beautiful engravings.
By means of the "pointer" and rotating the middle disk, the months and days can be indicated.
Stands on legs, so definitely a nice piece for on a desk or in the living room.

On the back there’s a patent number.

The photos are an integral part of the description of this lot.
This lot will be carefully packaged and shipped via registered and insured mail.

Lot details
Perpetual Calendar
Brass - Yellow copper (partly patinated)
Country of Origin
Excellent condition - barely used with minimal signs of aging & wear
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