Name	Nestler Nr 29 Doppelrechenschieber
Front Scales	K A = B S T CI = D L
Back Scales	DF = CF CIF C = D
Type of Rule	Slide Rule
Material	Wood/Plastic
Dimension (mm)	313X29X6.5
Area of Use	Generic
Origin of Rule	Andreas Fassbender's Collection
Match Number	7142
Comment	First duplex slide rule from Albert Nestler
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