1654 W. Charleton Physiologia Epicuro-Gassendo-Charltoniana vi. 223 A Quadruplicate weight produceth the same Effect, being appended to the whole of the sonorous chord, as a simple weight doth in the half.

1656 tr. T. Hobbes Elements Philos. iii. xvi. 175 The Lengths transmitted shall be to the Times in which they are transmitted, in proportion quadruplicate, quintuplicate [etc.].

1674 J. Wallis Let. 24 Mar. in H. Oldenburg Corr. (1975) X. 535 By Paraboloeids we mean such curves, whose Ordinates compared to their Diameters, are in proportion Duplicate, Triplicate, Quadruplicate, [etc.].

1709 V. Mandey Mech. Powers 179 By the doubling of the rope, that the slowness of the weight's descent is doubled to that it would have by a single rope; and it might, if need be, be quadruplicated.

1794 G. Adams Lect. Nat. & Exper. Philos. III. xxxi. 309 The efforts tending to destroy the adhesion of beams from their gravity only, increase in the quadruplicate ratio of their lengths.

1814 J. Playfair Outl. Nat. Philos. II. i. ix. 169 The same [probability] is increased in a quadruplicate ratio, from considering the phenomena of all these four superior planets.

1890 Polit. Sci. Q. 5 645 We should be forced to the conclusion that our property tax always involves a duplicate, triplicate or quadruplicate taxation in so far as state, county, town and village levy different rates on the same property.

1945 Amer. Notes & Queries July 60 There is one other ‘quadruplicate amputee’ in this war, according to the Army Medical Corps. He is an Army pilot who from severe freezing lost parts of all four limbs when his plane crashed in New England.

1990 Internat. Immunol. 2 1023/1 The results were expressed as the mean of quadruplicate or triplicate samples.

1779 Jrnls. Continental Congr. 1774–89 (Libr. of Congr.) (1909) XIII. 65 Resolved, that the treasurer of loans furnish the said Robert Bridges, with quadruplicate letters of advice, each one containing an attested copy of the preceding resolution.

1807 Z. M. Pike Acct. Exped. Sources Mississippi (1810) iii. App. 72 I have directed the formula for you to sign of four corresponding quadruplicate receipts.

1863 N.Y. Times 8 Aug. 2/1 Quadruplicate copies of these had to be made out, so the reader may form some idea of the labor.

1933 Times 17 July 12/1 Within 20 minutes Signor Mussolini and the Ambassadors of the other powers..had signed the quadruplicate copies of the pact.

1943 Port Arthur (Texas) News 4 July 16/7 Blackman's assembly line will issue the quadruplicate receipts on all tax payments.

1999 Richmond (Va.) Times Dispatch (Nexis) 12 Sept. l7 Records are meticulously kept in cardboard-bound journals, and forms are filled out by hand with quadruplicate copies made with..carbon paper.

1774 L. Carter Diary 4 May (1965) II. 803 If duplicates are to be paid for, why are not triplicates, quadruplicates and even thousand Copies to be paid for?

1782 H. Mann in H. Walpole Corr. (1971) 16 Nov. IX. 339 This obliges one to write duplicates, nay quadruplicates.

1853 H. Melville Bartleby in Putnam's Monthly Mag. Nov. 550/1 I held towards him the fourth quadruplicate.

1883 Law Rep.: Queen's Bench Div. 11 342 The..conveniences which merchants..believed to be afforded by the system of triplicates or quadruplicates.

1944 Amer. Hist. Rev. 49 443 Duplicates, triplicates, and even quadruplicates of many of these records exist.

2002 Duluth (Minnesota) News-Tribune (Nexis) 16 Aug. What were destroyed were duplicates, quadruplicates, triplicates, all destroyed within the state's record-retention policy.

1790 W. Hastings Let. 2 Dec. in J. Boswell Life Johnson (1791) II. 366 Of these [letters], one, which was written in quadruplicate..has already been made publick.

1801 Edinb. Adervtiser 24 Sept. 132/4 Signed in Quadruplicate, at the place of conference between the two armies, the 27th of June 1801.

1886 R. Kipling Departm. Ditties (1899) 47 Four times Cupid's debtor I—Bankrupt in quadruplicate.

1947 Daily Times (Chicago) 28 Nov. 14/3 The new violation ticket will be in quadruplicate, and traffic officials say it takes a ‘Philadelphia lawyer’ to fix it.

1992 B. Adams Brought to Book 33 We left not long afterwards, having signed various papers in quadruplicate.

1661 T. Blount Glossographia (ed. 2) Quadruplicate, to make four times so much as it was.

a1690 S. Jeake Λογιστικηλογία (1696) 56 Or else duplicate,..quadruplicate, &c. the Fraction according to the given Integer.

1694 W. Salmon Pharmacopœia Bateana i. ix. 408/2 Sometimes the proportion is to be quadruplicated.

1709 V. Mandey Mech. Powers ii. 35 We suppose AB to be 4 times as much as BC; therefore in such disposition (by the first principle of this Treatise) the power A is quadruplicated.

1786 P. Mac Mahon tr. C. Casaux Thoughts Mechanism of Societies 151 The mass of specie might be quadruplicated in a nation, without any material variation in the prices.

1861 F. W. Robinson Under the Spell III. 220 Prices ‘were quadruplicated,’ the demand for places being great.

1888 Amer. Missionary Apr. 90 If you knew the national value of this work,..you would quadruplicate it before the year is out.

1925 Times 10 Feb. p. xxvi/1 (advt.) Columbia has..quadruplicated her foreign trade in the last ten years.

1985 Plant & Soil 85 395 The total uptake was doubled as the concentration of nitrate was quadruplicated.

1998 Amer. Metal Market Stainless Steel Suppl. (Nexis) 7 Apr. 16 a This leading specialty products manufacturer has recently quadruplicated its sales.

1879 G. Meredith Egoist III. iii. 64 We are in danger of duplicating and triplicating and quadruplicating [wedding presents].

1916 Times 11 Nov. 9/6 Clerical, transport, and depôt staff are often quadruplicated in the various camps.

2003 JCN Newswire (Nexis) 6 May Networks have been quadruplicated at each component level and redundant design..has been adopted to realize high reliability design.

1702 V. Mandey tr. J. J. Hainlin Synopsis Mathematica: Theoret. Arithm. i. 3 Multiplication, is the gathering together the number of the Multiplicand... Its Kinds are, Doubling, Tripling, Quadruplicating, &c.

1775 J. Ash New Dict. Eng. Lang. Quadruplicating, folding twice, making fourfold.

1965 Jrnl. Polit. 27 530 It would mean the quadruplicating of many services now performed at the center and would lead to a compartmentalization that would destroy a major value of the UN system.

1996 IEEE Symp. Circuits & Systems 4 577/2 The quadruplicating approach could also be envisioned as the quadruplicating of every single transistor of the entire gate.