Note: This is an additional scan to display the colour reference chart and scalebar.
0.5
1 cm
![facsimile](https://digi.ub.uni-heidelberg.de/diglitData/image/lempertz1920_02_11/4/x.jpg)
Cotour Grey Contro) Chart ^42
B)ue_Cyan_Green_Yeüow_Red_Magenta
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B)ue_Cyan_Green_Yeüow_Red_Magenta
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