Notes

Slide Show

Outline

1	5^th Mid-Atlantic Mirror Making Seminar
2	Delmarva Stargazer’s 5^th Mid-Atlantic Mirror Making Seminar St. Jones Preserve
3	Mascot 5^th Mid-Atlantic Mirror Making Seminar
4	The Experts 5^th Mid-Atlantic Mirror Making Seminar
5	Newtonian Mirror Grinders 5^th Mid-Atlantic Mirror Making Seminar
6	Swayze Optical 5^th Mid-Atlantic Mirror Making Seminar
7	Testing and Finishing 5^th Mid-Atlantic Mirror Making Seminar
8	Special Interest Group 5^th Mid-Atlantic Mirror Making Seminar Shiefspiegler mirror special interest group
9	Shiefspiegler 5^th Mid-Atlantic Mirror Making Seminar
10	Dave Groski Shiefspiegler Design Specs 5^th Mid-Atlantic Mirror Making Seminar Primary Mirror Diameter 4.25” Secondary Mirror Diameter 2.17” Radius of Curvature 137.795” ( both primary and secondary) Conic section Sphere (both primary and secondary) Focal length 114.83” e 41.34’ (seperation of primary to secondary) e’ (p’) 45.93” (distance from secondary to focal plane) θ1 -2.4471° (tilt of primary) θ2 +6.11° (tilt of secondary) Δ’ 9.38” (distance from center of primary to Optical axis of secondary) Δ 3.52” (distance from center of secondary to Optical axis of primary) * Symbol match to that in drawing in Oct. ’61 Sky and Tel, page 233
11	Shiefspiegler 5^th Mid-Atlantic Mirror Making Seminar
12	Home Cooking 5^th Mid-Atlantic Mirror Making Seminar