Manufacturer: Blundell
Country of Manufacture: England
Type: Vector
Number:  
Date of Manufacture:  
Scales: (Front) {A[2 lines] B} { 2 templates } {C [ 2 lines] D, E [F, G, H] I}
Scales: (Back)  
Number of Scales: 9
Gauge Points: π
Slide Rule made from: Plastic with metal end pieces
Cursor made from: Plastic
Cursor Lines: 1 + extended scale
Overall Length of Rule: 36.1 cm
Length of Scales: 25.0 cm
Width: 20.8 cm
Depth: 1.0 cm
Weight:  
Acquired from: Casper Jurg
Date: March 2004
Condition: Good
Accessories: 
 Cardboard box. Medium condition
 Typed instructions. (English). Good condition
Comments: 
 Allows usual slide rule operations together with transformations 
 required in the use of real and complex electrical networks. 
 Enables the following:
 (a) Conversion between polar and rectangular co-ordinates
 (b) Multiplication/division of complex quantities
 (c) Expressions of the form:  sqrt (A12 + A122 + ...)
 (d) As (c) but where An are reciprocals.
 (e) Trig functions