Vintage AcuMath Slide Rule Model 1240 w/ Leather Case, Instructions

Vintage AcuMath Slide Rule Model Number 1240 with original Leather Case and Instructions. In good condition, with some light marks on case and ruler. Instructions have some tears. Please see images for condition details. Feel free to leave me a comment if you have any questions! New to Poshmark? Get started by signing up using my code GREENERUS and you'll get a $15 off your first purchase!