Unit 7 Chapter 21 The Cultural Geography of Africa South of the Sahara Ch 21 PP1.
Low power Huygenian Designing & making a low power Huygenian eyepiece for a classical achromatic refractor constructing a simple low power Huygenian eyepiece.
Ch 22 PP1 Unit 7 – Chapter 22 Africa South of the Sahara Today.
Announcements Project 1 artifact voting (email announce later today) Project 2 out today (help session at end of class) IMPORTANT: choose Proj 2 partner.
