Manufacturer: Heath
Country of Manufacture: England
Type: ' Hezzanith' Carmody Navigational
Number:  
Date of Manufacture:  
Scales: (Front) ins/ LL2, A [B, CI, C] D, LL3
Scales: (Back) [S, ST, T]
Number of Scales: 10
Gauge Points: π, n',984, Z = 115, Q = 232, H = 565
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 3
Overall Length of Rule: 30.3
Length of Scales: 25.0 cm + 2.5 cm extension
Width: 4.2 cm
Depth: 0.8 cm
Weight:  
Acquired from: Valerie Howe
Date: June 2006
Condition: Good
Accessories:
 Wooden case.  Good condition.
Comments:
 Back of rule contains a table of Haversines.