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001 - CONTROL NUMBER
control field: 689
003 - CONTROL NUMBER IDENTIFIER
control field: CGCRI
005 - DATE AND TIME OF LATEST TRANSACTION
control field: 20150810164649.0
008 - FIXED-LENGTH DATA ELEMENTS
fixed length control field: 150810|| aca||aabn | a|a d
040 ## - CATALOGING SOURCE
Original cataloging agency: CGCRI
Transcribing agency: CGCRI
150 ## - HEADING--TOPICAL TERM
Topical term or geographic name entry element: Photoelectric cell
670 ## - SOURCE DATA FOUND
Source citation: Work cat.: (CGCRI)956: Ive, G. A. G. 688, The photo-electric cell and its application to safety, 1950