Details and Image
|Date||Scale Length||Area of Use
|Disk||Reliability Slide Rule||Aero Geo Corp.||USA||Metal||c. 1962||Dia. = 9.9 cm||Reliability Slide Rule
Notes: "1) Used to calculate aerospace reliability, meantime to failure, hours of operation, confidence levels 2) Has similar construction to a Gilson slide rule with 2 cursors on one side and a single cursor on the other side."