Manufacturer: Royal
Country of Manufacture: Japan
Type: Executive 1091
Date of Manufacture:  
Scales: (Front) LL01, LL02, LL03, A [B, L, K, C] D, LL3, LL2, LL1
Scales: (Back) T1, T2, ST, DF[ CF, CIF, CI, C] D, P, S
Number of Scales: 23
Gauge Points: π, e, p'', p'
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 5 front (including kW, q, d, PS), 2 back
Overall Length of Rule: 33.9 cm
Length of Scales: 25 cm + 2.8 cm extension
Width: 5.0 cm
Depth: 0.4 cm
Weight: 118 gm
Acquired from: Cthulhu Fatagn
Date: Mar 2001
Condition: Good
 Cardboard box.  Good condition
 Instructions (English). Good condition
 Plastic box. Good condition
 Same as the T.S. Emblem 1091
 Did a manufacturer make slide rules for
 both the Royal and T.S. ?