Manufacturer: Lafayette
Country of Manufacture: U.S.A.
Type: 99-71029 VectorLog
Date of Manufacture: 1950+
Scales: (Front) Sh1, Sh2, DF, A [B, CF, Th, CI, C] D, LL3, LL2, dB
Scales: (Back) Tr1, Tr2, P', P [Q, ST, Sr, S0, C] D, LL03, LL02, LL01
Number of Scales: 26
Gauge Points: π, R, C, e, re
Slide Rule made from: Bamboo and Plastic with Metal End Pieces
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 33.2 cm
Length of Scales: 25 cm
Width: 4.6 cm
Depth: 0.7 cm
Weight: 122 gm
Acquired from: Mary Ives
Date: Nov 2000
Condition: Good
 Brown Leather case.  Good condition
 Essentially the same as 
 Lafayette F-686 VectorLog