---
_id: cnp00140840
data:
  actDates:
    - end: 1624
      lang: eng
      start: 1616
      text: fl. 1616-1624
  extDataset:
    - code: VIAF
      note:
        - lang: eng
          text: Clustered authority record
      searchTerm: http://viaf.org/viaf/108903172
      typeOfResource: same
    - code: DNBI
      note:
        - lang: eng
          text: Authority record
      searchTerm: http://d-nb.info/gnd/100585779
      typeOfResource: same
  external:
    - auth: PND
      catRules: RAK
      country: DE
      date: 19970426
      id: 100585779
    - auth: ESTC
      country: GB
      id: sb052136
  foundIn:
    - "MP1=Pratt, William, fl. 1616-24; invented, patented and described a new mechanical calculator, 'the arithmetical jewel'; may have been the pupil of Aaron Rathborne, 1572-1618, of Yorkshire; lodged in Salisbury House Gate in the Strand"
    - Not found in DNB nor AC1 nor AO1
  heading:
    - part:
        - entry: Pratt
        - firstname: William
      usedBy:
        - GyFmDB
        - ESTC(AACR2)
  imprintSource:
    - title: 'Pratt, William: The arithmeticall jewell. - 1617'
    - title: 'S110540: his The arithmeticall jevvell: or The vse of a small table, 1617 tp=Inuented by William Pratt'
  previousId:
    - cnp00014683
  typeOfEntry: 0
meta:
  distinctFrom:
    - cnp00053698
  history:
    - timestamp: 2004-07-06T12:00:00Z
    - timestamp: 2006-11-21T05:55:15Z
    - timestamp: 2006-11-23T08:29:00Z
  status: n