[N032109], Technical Note, John W Lawson, April 9th, 1880

Item

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Abstract

"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

Date

1880-04-09

Decade

1880-1889

Identifier

N032109

Folder Set

N032

Title

[N032109], Technical Note, John W Lawson, April 9th, 1880

Microfilm ID

31:1170

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University