http://book.klll.cc/ebooks/subject/9628.opds 2025-08-15T18:22:54Z Books about PDP-3 (Computer) (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-15T18:22:54Z https://book.klll.cc/ebooks/29461.opds Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) Digital Equipment Corporation