Lesson 2.
Recitation—
The names and relative positions of the three views most used in mechanical drawing?
Send a pupil to the blackboard to make three views of a rectangular block having chamfered edges on one side.
Develop the four principles of projection and relation of views.
Letters and figures, how proportioned? Test pupils at the blackboard.
How does a freehand working drawing differ from a mechanical drawing?
Give fully the order of procedure in making a mechanical drawing.
How do you go about determining the placing and spacing of your drawing?
Preparation for Demonstration; Assignment for Lesson 3—