| Name and Model Number | Russian Pilot's Slide Rule NL-8 |
| Country of Origin | Russia |
| Date of Manufacture | 1944 |
| Front Scales | Pressure, temperature, and altitude and other aviation calculations |
| Back Scales | Same |
| Scale Length | 25 cm (10 in) |
| Type of Rule | Slide Rule |
| Construction | Paint on a light white wood – aluminum end brackets – plastic cursor with wood |
| Area of Use | Aviation |
| Comment | Early model Russian Pilot's slide rule for airspeed, temperature corrections etc. |
| Rarity | RRR |
| Donor | Collection of Andrew Nikitin |
| Match Number | 338 |
| Thumbnail (Click Picture for Details) |  |
| In conjunction with our 'donors' we assign a rarity rating to each item, based on the system devised by Herman van Herwijnen |
| (1929 - 2004), renowned Dutch collector, author, and creator of Herman's Archive, a collection of 5,000 slide rule images on CD. |
| • RR = Rare - 1 of 25 collectors has one; it may take a year to find an example in the marketplace. |
| • RRR = Very Rare - only a few known to collectors; may be several years before it comes up for sale. |
| • RRRR = Extremely Rare - a museum piece; unlikely that an example will come up for sale. |