(Technical pub-_ lication 8.) [Text and other illustrations on p. 1, 2 and 4 of cover. Page 53, last page of text, is printed on inside of back cover.]
Notes:
(Technical pub-_ lication 8.) [Text and other illustrations on p. 1, 2 and 4 of cover. Page 53, last page of text, is printed on inside of back cover.] * For Sale by Superintendent of Documents. Paper, 20c.
Availability:
* For Sale by Superintendent of Documents. Paper, 20c.