Lot Essay
A set of 100 uncased 5cm models, was listed in Krantz's 1936 Catalogue No. 29 as "for the demonstration of Professor Dr. P. Niggli's morphological system of crystal arranged by Prossor Dr. R.L. Parker".
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POSSIBLY BY DR. F. KRANZ
Details
Set of 100 wooden crystal models
Possibly by Dr. F. Kranz
each pearwood model stamped with a number 1-100, five made of two pieces and seven made of two hinged pieces, in four modern cases.
Cases 17 x 12in. (44 x 31cm.) (4)
Possibly by Dr. F. Kranz
each pearwood model stamped with a number 1-100, five made of two pieces and seven made of two hinged pieces, in four modern cases.
Cases 17 x 12in. (44 x 31cm.) (4)
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