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Before the days of electronic detectors, visual techniques were used to detect particles, using detectors such as spark chambers and bubble chambers. This plexiglass lens was used to focus the image of tracks so they could be photographed.

This folder contains handwritten notes by Werner Beusch before his retirement in 1994. A handwritten note is a draft to thank before he retire. Administrative document for retirement such as “Attestation”,”claim for reinstallement indeminity, “when you leave CERN”. Other type of administrative document such as “peer Review rating form”, “Annual Interview and advancement”, memorandum, correspondance for a reference about a physicist and between universities. Letter of recommendations.

This folder contains administrative and professional records relating to Werner Beusch’s career at CERN, particularly the period leading up to his retirement in 1994. The records include handwritten notes and draft farewell messages, retirement-related documents such as attestations, claims for reinstallation indemnity, and information for departing CERN staff. Also included are personnel management records, including peer review rating forms, annual interviews and advancement reports, training certificates, memoranda, and correspondence concerning professional references and recommendations. The records document the administrative aspects of Beusch’s employment and professional activities from the 1970s to the 1990s.

Control units were connected to the channels with "Bus and Tag" cable pairs. The bus cables carried the address and data information and the tag cables identified what data was on the bus. There were three general types of bus-and-tag cables produced by IBM.

Capacity of this cable : 15 MVA / 13,5 MW / 450 Ampères.

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