Next available on Friday 9 a.m.–5 p.m.

Additional Options

Books

Mechanical equivalents : a paper read March 11, 1915, before the examining corps of the United States Patent Office

Author / Creator
Wright, Herbert, author
Available as
Online

Details

Subjects

Additional Information

Keyboard Shortcuts

Close

Available anywhere

?
Shortcut help message
s
Highlight search box
esc
Close dialog

Available in search results

n
Next page
p
Previous page
f
Toggle filters
1-5
Open nth result on page