Image Not Available
figure (#3) from the cover of a book
Date: circa 1967
Inventory Number: 1999-1-0041o
Classification: Biofreeze Automatic Etching Machine
Subject:
Maker: Vantage Art, Inc.
User: Daniel Branton (fl. 1962 to present)
Cultural Region:
Dimensions:
27.9 x 21.6 cm (11 x 8 1/2 in.)
Description:
Figure legend reads thus: "Freeze-etch view of nucleus in an onion root tip cell. In this face view of the nuclear membrane, the pores are particularly evident. Through the pores the interior of the nucleus can be seen. Pieces of the endoplasmic reticulum closest to the nucleus resemble the nuclear membrane in appearance while those more distant are continuous memranes. x40,000. Photograph courtesy of Dr. D. Branton, University of California, Berkeley."
Signedon photograph: Vantage Art, Inc. W.H. Freeman and Company, 41 Madison Ave. New York, NY 10010
Inscribedat the top: onion root tip cell [and] These holes (pores) in the nuclear envelope are 1,000 A in diameter
at the bottom: 46.5% black halftone
at the bottom: 46.5% black halftone
FunctionTo present the result obtained from the freeze-etching instrument, before the Elgbrant.
Curatorial RemarksThis figure appeared in the cover of the book mentioned in the Primary Sources.
The information on the Elgbrant was compiled by Mayako Michino. More details, including email correspondences with Prof. Branton, are found in the instrument's file in the CHSI library.
The information on the Elgbrant was compiled by Mayako Michino. More details, including email correspondences with Prof. Branton, are found in the instrument's file in the CHSI library.
Primary SourcesWilliam A. Jensen and Roderic B. Park, Cell Ultrastructure (Belmont, CA: Wadsworth Publishing Company, Inc., 1967).
ProvenanceFrom Biolabs Room A-206, Department of Molecular and Cellular Biology, Harvard University. Givent to CHSI by Prof. Daniel Branton.
