1. Either system could accept the " Hitchhiker " canister and the mounting plates . 2. Two of its mounting plates in the inner court still exist. 3. Mounting plates are conventionally fastened together by means of screws.4. Furthermore, by securing individual lenses within each mounting plate , a telescope could be constructed. 5. The mounting plate on the bar connects to the bottom rail of the sash window. 6. This allows them to be snapped into a mounting plate with correspondingly-sized rectangular holes, called ports. 7. The carrier could accommodate 11 " Hitchhiker " canisters or 11 of the smaller mounting plates . 8. Behind the panel were typically a horizontal and a vertical mounting plate , arranged in a tee. 9. A larger mounting plate measured 50 inches ( 127 centimeters ) by 60 inches ( 152.4 centimeters ). 10. Ith combining these mounting plates much higher precision optical experiments could have been constructed such as an interferometer, etc.
