Acridine was discovered by Graebe and Caro who found that it accompanied the crude
anthracene obtained from coal-tar. For its isolation, the portion of the tar distilling at 300°- 360° C. was extracted by dilute sulphuric acid and precipitated by...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue says Vol. 32. No. 22. but is actually Vol. 33. No. 29. There are holes in the center of each page and portions...
The chemical analysis of atmospheric dust is of interest to two major groups, namely—the workers in industrial hygiene and the workers in the air cleaning and ventilating industries. The industrial hygienists, who are concerned with the...
It shall be the object of this investigation to measure the hydrogen ion concentration in lead acetate solutions and to apply the measurements to the control of color in the preparation of chrome yellow pigments. Lead acetate solutions of high...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There is a tear down the center of each page of this issue and there are various portions missing along these tears....
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There is a tear down the center of each page of this issue.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There is a significant portion missing down the center of each page of this issue and pages one, two, three, and eight...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There is a tear down the center of each page of this issue.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There is a significant portion missing down the center of each page of this issue and page one is very faded.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. The first two pages of this issue have some small portions missing and large tears in them.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There are small portions missing along the sides of each page of this issue.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There are portions missing along the edges of each page of this issue.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. Pages five and six are missing from this issue.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue says Vol. 10. but is actually Vol. 11. Small portions are missing along the side of pages one and two of this...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. There are small portions missing along the edges of each page of this issue. This issue is twelve pages and is made up of...