Electronic Match Output

Number:30a

Maker:D & P 21 Elektro Log Log
PHOTO

Type:Electro

Length:25 cm

Circular:

Special Scales in Well:N

Special Scales on Stock:Y

Gauge Marks:N

Scales Front: cm / Dynamo LogLog L = A K C = D LogLog Volt

Scales Back:= S L T =

Info: ISRM
Most LL scales are base e(2.718), some are base 10.
This early elektro by D&P is base 2.
The upper loglog runs from 2 to 2^10=1024.
The lower loglog is from 10th root of 2, ~1.072 to 2.