Summer equatorial sun and moon dial with ivory volvelle inset in plate. Magnetic compass with blue meridian line on plate and 2 arrows for magnetic deviation. Black arrow (10° E) shaped like needle type 37; red arrow (15° W) like needle type 1. Compass needle type 38. Mica rather than glass. This sundial (DPW-21) consists of multiple parts, some located on 19/4.
Inscription/Sig.
"IOHANN GEBHART NORENBERGE FACIEBAT ANNO M D XXXXVI" on 1b.; "HG" on 2b.
