Entry Topical Term

Number of records used in: 6

000 - LEADER

• fixed length control field: 00459cz 2200157n 4500

000 - LEADER

• fixed length control field: 1

001 - CONTROL NUMBER

• control field: 36963

003 - CONTROL NUMBER IDENTIFIER

• control field: P5A

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20221101135555.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 860211i| anannbab| |b ana |||||

010 ## - LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: sh 85082121

035 ## - SYSTEM CONTROL NUMBER

• System control number: oca02004701

040 ## - CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC
• Modifying agency: DLC

053 ## - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: QA71
• Classification number element-ending number of span: QA85

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Mathematical instruments

681 ## - SUBJECT EXAMPLE TRACING NOTE

• Explanatory text: Note under
• Subject heading or subdivision term: Digital counters

950 ## -

• : g
• : Scientific apparatus and instruments