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200 CALIFORNIA INSTITUTE OF TECHNOLOGY
D. 40. EI.E)[EXTARY DESCRIPTIVE GEOMETRY. 3 units (0-3-0); second
term.
The study of the graphical representation of three dimensional
geometrical constructions by means of orthographic proj ection. The
work includes principle, auxiliary and oblique views.
Text: Hood, Geometry of Engineering Drawing.
D. 41 a. DESCRIPTIVE GEOMETRY. 3 units (0-3-0); first or third term.
Prerequisite: D. 40.
A continuation of D. 40 covering the "Analysis of Structures" and
straight and curved line constructions.
Text: Hood, Geometry of Engineering Drawing.
D. 41 b DESCRIPTIVE GEOMETRY. 3 units (0-3-0) second term.
Prerequisite: D. 41 a.
A continuation of D. 41 a, covering problems involving the relationship
of lines and planes and the intersection and development of surfaces.
Text: Hood, Geometry of Engineering Drawing.
D. 41 C. DESCRIPTIVE GEOlHE'l'RY. 3 units (0-3-0) ; second or third term.
Prerequisite: D. 41 b.
A continuation of D. 41 b, covering more complicated problems in-
,'olving single curved surfaces, warped and double curved surfaces.
Text: Hood, Geometry of Engineering Drawing.
D. 4!il. DESCRIPTIVE GEOMETRY. 6 units (0-6-0); second term.
This course is planned primarily for geology students, and includes
practical problems in mining and earth structures.
Text: Cutter, Descriptive Geometry.
Instructor: Brigham.
D. 43. ADVANCED DESCRIPTIVE GEO::\IETRY. 3 units (0-3-0);' elective
any term.
Prerequisite: D. 41 a, b, c.
The study of lineal perspective and the execution of mechanical per·
spective drawings of machines, bridges, and other structures.
Instructor: Brigham.
D. 44. PERSPECTIVE SKETCHING. 3 units (0-3-0); elective any term.
Prerequisite: D. 43.
The study of freehand perspective drawing. Models will be selected
by the student and executed in various mediums. The work is planned
to illustrate the relation between mechanical and natural perspective
and to develop freedom in pictorial representation.
Instructor: Brigham.