"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Number | Title | Issue Date |
| 6147872 | Injector/ejector machanism for printed circuit cards An injector/ejector mechanism for a printed circuit card of the type that has front, rear and opposite side edges, a face plate at the front edge and a connector at the rear edge of the card in which slides on chassis card guides adjacent to the side edge... | 11/14/2000 |
| 5912801 | Telecommunication switch chassis A telecommunications switch chassis includes a housing which is divided into front and rear compartments by a transverse printed circuit board or mid-plane. Notches are provided in the upper edges of the mid-plane which are adapted to receive tabs project... | 06/15/1999 |
| 5398161 | Telecommunications switch chassis having housing with front and rear compartments divided by interior partition and removable cover over rear compartment A telecommunications switch chassis includes a generally rectangular housing whose interior is divided by a lateral partition into front and rear compartments. There is a large opening in the top wall of the housing over the rear compartment only which ma... | 03/14/1995 |