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Dr. Parran, Surgeon General, U.S. Public Health Service. Dr. Parran observing in lab II

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Dr. Parran, Surgeon General, U.S. Public Health Service. Dr. Parran observing in lab II

Dr. Parran, Surgeon General, U.S. Public Health Service. Dr. Parran observing in lab II

Scotch machine, Washington, D.C., September 8. This machine, exhibited at the World Power Conference which is being held here, is devised so as to use every inch of matter contained in coal. The coal is put in the retort and heated to a temperature of 1832 degrees. From the smoke and gas, Tar, Ammonium Sulphite, sulphur, light oils and gas are derived and from the tar, medicines, aromatic oils, perfumes, dyes, and acids are derived. From the light oils, motor fuel is obtained. In short: this machine wastes nothing at all

Scotch machine, Washington, D.C., September 8. This machine, exhibited at the World Power Conference which is being held here, is devised so as to use every inch of matter contained in coal. The coal is put in the retort and heated to a temperature of 1832 degrees. From the smoke and gas, Tar, Ammonium Sulphite, sulphur, light oils and gas are derived and from the tar, medicines, aromatic oils, perfumes, dyes, and acids are derived. From the light oils, motor fuel is obtained. In short: this machine wastes nothing at all

A black and white photo of two men and a woman. Great Depression FFSA / OWI Negatives

A black and white photo of two men and a woman. Great Depression FFSA / OWI Negatives

Chicago, Illinois. Provident Hospital. Dr. B.W. Anthony, head of the radiology department, dictating a report on x-rays

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Women sewing American Red Cross: Athens High School, Athens Georgia

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[Fingerprint viewing machine?] - Glass negative photogrpah. Public domain.

[Fingerprint viewing machine?] - Glass negative photogrpah. Public domain.

Dr. Parran, Surgeon General, U.S. Public Health Service. Dr. Parran observing in lab II

description

Summary

Item title devised.

The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to the 1950s includes images of Washington, D.C. history, street scenes, government buildings, landmarks, public events, and portraits.

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Tags

government officials
washington region
acetate negatives
portrait photographs
horydczak collection
theodor horydczak
drawing
parran
public health service
surgeon general
lab ii
united states history
library of congress
washington dc
date_range

Date

01/01/1937
place

Location

washington region
create

Source

Library of Congress
link

Link

https://www.loc.gov/
copyright

Copyright info

Publication may be restricted. For information see "Horydczak Collection" (http://lcweb.loc.gov/rr/print/res/100_hory.html)

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government officials
government officials
washington region
washington region
acetate negatives
acetate negatives
portrait photographs
portrait photographs
horydczak collection
horydczak collection
theodor horydczak
theodor horydczak
drawing
drawing
parran
parran
public health service
public health service
surgeon general
surgeon general
lab ii
lab ii
united states history
united states history
library of congress
library of congress
washington dc
washington dc