204:(first published 1647), Petty had written that there was "invented an Instrument of small Bulke and price, easily made, and very durable, whereby any Man, even at the first sight and handling, may write two resembling Copies of the same thing at once, as serviceably and as fast (allowing two lines upon each page for setting the Instruments) as by the ordinary way." He then suggested that the returns of that invention might perhaps be enough to pay for the "Ergastula literaria" – the literary work-houses – that he wanted to establish.
328:
835:(accessed 2018-01-10; the heading of chapter XXIV also has "1647"). The text of 6 March reads as follows: "The House (of Commons) was informed of one Mr. Petty, who hath found out an Art of Double Writing, to write Two Copies at once, and that he desired a Patent for Teaching of the same, under the Great Seal of England for certain Years; and the House hereupon Ordered, That a Patent should pass under the Great Seal to the said Mr. Petty for Seventeen Years, to teach his Art of double Writing."
26:
478:
the world his own perfected instrument for multiplying copies of writing. Wren does not mention a name, but the history of Petty's invention leads Bevan "to suspect that he may have been the person whom Wren accuses of this dishonorable act. From what we know of Petty's insensibility to strict honesty, where he saw any chance of furthering his own interests, we cannot say that he was incapable of such an action."
978:
303:
194:
satisfaction of all that desire to be partakers of the great benefit of the same, before they adventure anything towards the reward thereof. Whereunto is annexed a copie of an
Ordinance of both Houses of Parliament, approving the feasibility and great use of the said invention, and allowing a Priviledge to the Inventor, for the sole benefit thereof for 14 years, upon the penalty of one hundred pounds.
344:
886:
135:
William Petty was educated in France and in
Holland, and returned to England in 1646, to finish his education in the medical science at Oxford University. He was quite active in many fields of scientific discovery and inventions and developed an instrument for double-writing in 1647. It is mentioned
193:
A Declaration
Concerning the newly invented Art of Double Writing. Wherein are expressed the reasons of the Authors proceedings in procuring a Priviledge for the same : As also of the Time, Manner, and Price, of the discovery of the said Art, and of the Instruments belonging thereunto. For the
477:
also referred to a double writing machine in a letter. Wren complained that a model of his own invention, in a still imperfect condition, had been seen by chance by someone, who had reproduced it. The failure of the reproduction of his unfinished invention had made it impossible for him to give to
460:
Fitzmaurice mentions Petty's collaboration with a John
Holland of Deptford for three years. This partnership was to be confined to the development of Petty's inventions, "more particularly the double writing instrument, a machine for printing several columns at once, a scheme for making a great
389:
Although it is sometimes thought that the invention was a kind of typewriter, the most probable explanation is that it was some kind of jointed or flexible framework for handwriting with two pens at once. Connor states that the invention of Petty was an adaptation of the pantograph of
Scheiner.
432:
not a word is said about the invention itself. Petty first explains that he thinks it is unnecessary to enlarge upon the importance of his invention. He next explains in broad terms how he has come to ask a patent on it. And finally he describes how much the use of the instrument will cost.
464:
William Poole places the Double
Writing instrument of Petty in the context of a broader interest in building devices for double writing in the 17th century, especially in the 1650s. He claims to unravel the complex history of proposals for such instruments for the first time.
132:(1623–1687) and first published in 1648. It contained information regarding his invention of the "Art of Double Writing", especially a claim for patent rights. It did not contain any information on what his invention exactly was.
844:
W. Poole (2017?) - 'Seventeenth-Century ‘Double
Writing’ Schemes, and a 1676 Letter in the Phonetic Script and Real Character of John Wilkins.' To be published in the Notes and Records of the Royal Society. See:
452:
Petty's activities in the field of inventions are often mentioned by later scholars. But concerning his instrument for double writing in general not much is added to the little, that is known about it from the
396:
On 22 December 1647 William Petty sent a petition to the House of Lords, asking for a patent right. The petition contains a certificate that Petty was able to produce two copies of the first chapter of the
382:, a mechanical instrument, in which a pencil was connected to a stylus by means of a parallelogram. The pantograph was intended to create a copy of an image. Scheiner's invention was described in his
461:
bridge without any support on the river over which it stands, and other undertakings of the same kind." Fitzmaurice did not find any record of what the partnership effected.
217:
of 1647/8; it had "an
Extract of the Ordinance of Parliament dated 6. Martii. 1647." attached, in which Petty's claim on a patent for 14 years was confirmed.
207:
Apart from the six page pamphlet on "Double
Writing", published early in 1648, in April 1648 Petty also published a single leafed broadside, titled
718:,' on website of Literature Technology Media (LTM) Research Group at University of Cambridge, Faculty of English; accessed 2018-01-11 (the same in:
668:
162:
211:
as a further expression of his claim on patent rights. The text of this broadside was in much the same terms as the
Preface to Petty's
1005:
890:
711:
150:
393:
The Hartlib Papers hold an anonymous and undated copy of a text about "the nature and uses of the double writing instrument".
251:
559:
437:
692:
614:
947:
A Bibliography of Sir William Petty F.R.S. and of 'Observations on the Bills of Mortality' by John Graunt F.R.S.
971:
311:
110:
398:
364:
The instrument for double writing was one of the first attempts of Petty to make money with an invention.
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London : printed by R. L. for R.W. at the Star under Saint Peters Church in Cornhill
926:
569:
in Wikidata. Can be used as a direct link to the ESTC catalogue, e.g. (William Petty's)
444:, dated 6 March 1647, which affirms the claim of a patent, "for the term of 14 yeares".
945:
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The patent was passed on 6 March 1648 "under the Great Seal (…) for Seventeen Years".
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Pantographice seu Ars delineandi res quaslibet per parallelogrammum lineare seu cavum
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It would take twelve years, until Petty's next publication appeared in print: the
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References to Bibliographies, Bibliographical databases and online editions
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660:
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351:
99:
347:
829:
Historical Collections of Private Passages of State: Volume 7, 1647-48
770:
Historical Collections of Private Passages of State: Volume 7, 1647-48
371:
925:
827:, "Proceedings in Parliament: February 28th - April 1st, 1648", in
768:, "Proceedings in Parliament: February 28th - April 1st, 1648", in
19:
A Declaration Concerning the newly invented Art of Double Writing
184:
A Declaration Concerning the newly invented Art of Double Writing
125:
A Declaration Concerning the newly invented Art of Double Writing
111:
A Declaration Concerning the newly invented Art of Double Writing
618:
907:
849:, with a link to a downloadable pdf (access-date 2018-01-21).
93:
803:
801:
506:
Keynes 1971: nr. 3; Wings: P 1921; ESTC: R210729. See also:
246:
240:
576:
891:
Sir William Petty: A Study in English Economic Literature
750:
Memo & Testimonial on Double Writing dated 1647-12-22
525:
Bibliography of the Printed Writings of Sir William Petty
198:
Already in the Preface of his first printed publication,
984:, with scans of the original document and transcription.
436:
The last page of the document holds an ordinance of the
157:, a cadastral survey of Ireland, between 1654 and 1656.
733:
The nature & uses of the double writing Instrument
615:
Early English Books Online – Text Creation Partnership
169:
In 1662 Petty was one of the founding members of the
933:. Cambridge: Cambridge University Press – via
617:; the original scans are (not freely) available on
105:
91:
83:
75:
65:
57:
49:
39:
944:
645:European Register of Microform and Digital Masters
896:Publications of the American Economic Association
549:Short Title Catalogue (as used in Keynes 1971).
792:The Works of the Honourable Robert Boyle etc.
468:
8:
297:61381933 (complete list of all editions)
18:
807:
795:; see also Fitzmaurice 1895, pp. 10/11, 13.
680:
928:The Economic Writings of Sir William Petty
326:
24:
17:
136:in his first printed publication, titled
219:
145:Petty went to Ireland in 1652 to assist
487:
128:was a pamphlet of 6 leaves, written by
745:
588:Reference numbers in catalogue of the
494:
910:Life of Sir William Petty 1623 - 1687
663:. For Scheiner's pantograph see also
7:
536:Bibliography numbers in Keynes 1971.
469:Wren's Instrument for Double Writing
416:Petty dedicated his 'instrument' to
163:Proceedings between Sankey and Petty
915:. London: John Murray – via
831:(London, 1721), pp. 1010-1045. in
772:(London, 1721), pp. 1010-1045. in
14:
906:Fitzmaurice, Lord Edmond (1895).
976:
884:
342:
301:
898:, vol. 9, no. 4 (August 1894).
859:Wren's Parentalia (London 1750)
709:Technological Object: Polygraph
667:(1990) – The Science of Art. (
1:
776:(accessed 23 September 2017).
671:: Machine and Mind), p. 180f.
560:English Short Title Catalogue
410:called Petty's invention the
924:Hull, Charles Henry (1899).
883:Bevan, Wilson Lloyd (1894).
785:In a letter from Hartlib to
951:. Oxford: Clarendon Press.
378:(1573–1650) had invented a
177:Bibliographical information
1027:
943:Keynes, Geoffrey (1971).
789:of 10 augustus 1658. See
575:(1647): R5444, through:
367:Already early in 1603, a
222:
23:
992:in 'The Hartlib Papers'.
693:17th century typewriters
473:A couple of years later
748:, p. 3. See also:
714:21 January 2018 at the
577:http://estc.bl.uk/R5444
523:Bibliography number in
182:Petty, William (1648).
1006:Books by William Petty
833:British History Online
774:British History Online
527:in: Hull 1899, p. 633.
399:Epistle to the Hebrews
338:Petty1648DoubleWriting
572:The Advice to Hartlib
558:Reference numbers in
545:Reference numbers in
234:Wing's: P1917,
214:The Advice to Hartlib
201:The Advice to Hartlib
139:The Advice to Hartlib
870:Bevan 1894, p. 23/4.
643:Reference number in
613:Reference number in
564:ESTC citation number
508:the text in EEBO-TCP
412:Instrumentum Pettii.
256:Library Hub Discover
231:Keynes: 2, 3
228:Hull: 1, 2
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808:Fitzmaurice (1895)
681:Fitzmaurice (1895)
448:Critical reception
376:Christoph Scheiner
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360:Background
307:Wikisource
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861:, p. 215.
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186:. London.
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386:(1631).
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