[N032109], Technical Note, John W Lawson, April 9th, 1880
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Title
[N032109], Technical Note, John W Lawson, April 9th, 1880
Editor's Notes
"Experiments began today for the purpose of removing gums, resins, etc. from the various kinds of woods All foreign substances to be removed leaving nothing but the cellular structure of the wood Smal pieces of the differt kinds of wood 1 or 2 in square and 1/16 in. thick are first weighed in air then placed in alcohol and allowed to remain until all matter soluble in alcohol has been removed. they are then placed in ether until all matter has been removed, next are treated with aqua ammonia by diochloric acid, well washed in water and subjected to the action of chlorine gas" list of woods placed in alcohol follows with weights before -- perhaps use as notebook entry introduction with annotation from following days of experiments
Author
Date
1880-04-09
Type
Folder/Volume ID
N032-F
Microfilm ID
31:1170
Document ID
N032109
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University