Jean_LAMESCH_Sliderules_Collection_BOX_JL11

1785_NRN_2_Navigational_Computer

1785_NRN_2_Navigational_Computer

Russian NRK-2 (HPK-2 in Cyrillic) navigational sliderule, age and manufacturer unknown. Plastic corpus, 154mm diameter. front side (left picture) has one moveable disc with 4 ttransparent windows and cursor, back side (right picture) has 2 moveable discs, no cursor.