Page:Notes for mechanical drawing; arranged for the use of the students of the Mechanic arts high school and the Evening school of trades (IA notesformechanic00math).pdf/6

From Wikisource
Jump to navigation Jump to search
This page has been proofread, but needs to be validated.

Notes for Mechanical Drawing
Copyrighted, January 2, 1904
by Frank E. Mathewson

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Notes_for_mechanical_drawing;_arranged_for_the_use_of_the_students_of_the_Mechanic_arts_high_school_and_the_Evening_school_of_trades_(IA_notesformechanic00math).pdf/6&oldid=13426944"