Instrument to measure fatness milk and lactose  ! Produced in from a "small" ghetto in Baluter Ring in Litzmannstadt ! See stamp on wood cover : Lagerverwaitung Gettoverwaltung  Baluter Ring -  Lagerverwaltung Ghetto Verwaltung Baluter Ring ( Warehouse Management ghetto administration Baluter ring )   This is new item with lable , never used !  The length of the instrument's 22 cm,  wooden case 30 cm Very rare item ! ! !  In addition we add a booklet Bestellschein für Milchlieferanten - Order forms for milk suppliers