Country/Region of Manufacture United States

Check the listing for details. Annubar Flow Engineering Calculator Slide Rule Ellison Instrument DIV-Dieterich. Condition: Used. Listed at 12.49 USD. Computerchart by G.L. Collard & Sons. Maywood ILL. Thin cardboard material. Double sided printing. 3 pull out slides. Good legible print. Minor surface wear, color fading and scratching. So we try to add the correct information as best we can.

$8.74
$12.49