Blundell Luton Electro Type E.3.
Country of manufacture
: England,
Date of manufacture
: ____
Overall length
: 29.2 cm,
Width
: 3.2 cm,
Weight
: 97.2 gms
Materials
: Simplex closed form; celluloid laminated Bakelite construction
Cursor
: 3.6 X 3.5 X 0.6 cms; metal runners holding glass lens;
lines
= two lines, front only
Scales
: 8
Front
: Voltage Drop, A (Kw) [ B (H.P.),
F.
,
cos
, C ] D, Dynamo/Motor Efficiency
Well & Back of Slide
: blank
Back
: conversion factors and physical constants
Gauge Marks
:
[ 1732, 7456 ]
Condition
: C5 (signs of normal use)
Came with
: non-original grey hard plastic sheath
Note
: Tensioner on upper right edge seems to have been over-tightened at some point in the past, and has resulted in a slight buckling of the back shell. So far, this appears to be a mostly cosmetic issue and may only affect precision slightly when using the right hand ends of A and B scales.