Identification
ID in this catalogue SL Berlin ÄM 19743
Type L-shaped 
Current Location Ägyptisches Museum, Berlin
Date 1000-600 B.C (Borchardt 1910)
Provenance 

Probably Faiyum (Borchardt 1910)

Dimensions

L 303 mm, H 48 mm, W 34 mm.

Gnomon height 30 mm (Rau 2002)

Material

Metamorphic green slate (Borchardt 1910)

Markings and Inscriptions 

Five circular marks on scale, each accompanied by an hour label.

Two holes on top of gnomon, vertical line for plumb bob on right side

Notes Borchardt acquired both this and SL Berlin ÄM 19744 at the same time from Maurice Nahman in Cairo (Rau 2002)
Literature

Borchardt (1910)

Borchardt (1920) p. 32 ff.

Sloley (1931)

Kaiser (1967)

Clagett (1995)

Symons (1998)

Symons (1999)

Symons (2002)

Rau (2002)

Tupikova and Soffel (2012)

Salmas (2014)

Images

BerMus12-1.jpg

From Symons' photo collection.