Box 2-1 Dans Lab Notebook Entry

Your lab notebook should (1) state what was done, (2) state what was observed, and (3) be understandable to someone else who is trained in your discipline. The passage below was extracted in 2002 from my notebook of 1974 when, as a postdoc at Albert Einstein College of Medicine, I began to isolate the iron storage 

Procedure Mince and homogenize spleen in 4 vol H2O Heat to 70 for 5 min and cool on ice Centrifuge at 5500 X for 20 min Filter through filter paper 

there are tables of numerical data, graphs of results, and original, well-labeled instrument output 

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