Antique English Fruitwood Diptych Dial,Sundial,Compass, Circa 1800s

Description

Here we have an antique English fruitwood, folding Diptych Dial, Sundial, Compass, measuring 2" x 2 7/8" with a string gnomon,  with brass hinge, locks and suspension with clock markings [4AM to12 noon to 8 PM with a deviation chart {F=faster, S=slower} and chart correction divided into months.
The inscription on the inside of the lid of the cover reads: "SUN DIAL AND COMPASS. Slip the notch in the Brass Arm over the Screw in the Lid and put the Compass on a level place to such a position that the North Point of the Needle corresponds with the mark inside the Compass Bar, the shadow of the line will show the time."
"The Sun Dial shows Solar or apparent time but a Clock should be set to equal or Mean time in the above Equation Table, the difference is stated in minutes. F means that the clock should be faster than the dial. S slower."
The sun dial case has two brass locks, a brass hinge and a brass catch to hold the dial open.
The compass has a blued needle and is covered by an intact glass shield and brass ring, and is in a fine, original, undamaged working condition.
This diptych sundial is in the found condition and could use ~~~a good home. 020
Provenance: Sotheby's October 1992
Notice: Be aware that other merchants (some from India), are selling fake imitations. This is a genuine antique!. Remember - Fake news and fake antiques are  fakes!
The photos are those of the actual protractor you are buying.
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This antique vintage diptych sundial  would make a wonderful addition to that antique scientific instrument collection when placed in a prominent position to the envy of all who observe!
Please look at the photos as what you see is what you are buying.
Please note that the photos form a part of the condition description.
Terms: Please email the seller for purchase arrangements, shipping details, questions, more photos, etc.
This instrument is guaranteed to be an antique original,   not a reproduction!
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