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MANTISSA - ELECTRIC ( 25 cm Scales )
VEB MANTISSA, Dresden / (GDR) Germany (1972)
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S C A L E S of the MANTISSA » ELECTRIC « Nr.1731591
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Front Side: MOUSE-OVER THE CURSOR TO GET THE MAGNIFIED SCALE
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W1, W2 Waermestromausloesebereich A
NSi Nennsicherungen A
An Gruppe II Nennquerschnitte mm2
I
kW-J Leistung, Stromstaerke kW-A
E Einstellbereiche
ΔU% Spannungsverluste in %
fuer Cu , Al V%
P Leistung kW
l Leitungslaenge m
A1 Querschnitt mm2
cosφ Spezial-Cosinusteilung
(1) Drehstrom 220 V in Dreieck
(2) Drehstrom 380/220 V Stern
(3) Gleich-, Wechselstrom 220 V
Back Side: [ inverse / RED ]
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LL1 exp(0.01X)
LL2 exp(0.1X)
LL3 exp(X)
A X2
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B X2
L lgX
[CI] [1/X]
C X
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D X
[P] [sqrt(1 - (0.1X)2)]
S sin(0.1X)
T tan(0.1X)
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R E M A R K S :
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The slide rule came in a brown plastic case with a booklet.
The name » MEISSNER « is on the plastic case: The same model
was previously under the logo » MEISSNER « on the market ...