Rectangular compendium with three leaves. Configured as a box resting on four turned feet. Lunar vovelle on first leaf. Horizontal dial with folding gnomon for four latitudes and compass on second leaf. Needle, type 16. Perpetual calendar vovelle on third leaf. Labeled in Latin and German.
Материал
"*GEORG*ZORN*/IN•AUG: ANNO•1628•"on second leaf.
