As requested, here is the OED entry from my 2nd Ed on CD-ROM
c1485 E.E. Misc. (Warton Cl.) 82 To make sowder of tynne.
1513 Douglas Æneid viii. vii. 140 Thai mydlit and thai mixt this feirful souder.
1547 in J. R. Boyle Hedon (1875) App. 137 To the plomer for xxx. lb. of soweder.
1603 Vestry Bks. (Surtees) 52 For five pounde and a half of sowder to mende the leads.
1829 Brockett N.C. Gloss. (ed. 2), Sowther, solder. _.1466 Mann. & Househ. Exp (Roxb.) 323 Item, for ij. li. saw[d]ere, xij. d. 1492 3 Rec. St. Mary at Hill (1905) 187 For a ll. di. of sawdyr to sowdyr Þe same pype, xij d.
1539 40 in Devon N. & Q. Oct. (1903) 238 Payed for xv. li. of sawdyer for the worke, v.s.
1566 in Peacock Eng. Ch. Furniture (1866) 141 An old crwet whearof was made sawder for the glass windowes.
1602 Shuttleworths’ Acc. (Chetham) 143 To the plumber, for xx pound of pewter to be sawter,..xs.
1667 Primatt City & C. Builder 70 Sawder is about eight pence or nine pence a pound.
_.1575 Gascoigne Wks. (1587) 308 When cutlers..hide no crackes with soder nor deceit.
1576 Act 18 Eliz. c. 15, No Goldsmith..shall..use noe Sother..more then ys necessarie.
1612 Sturtevant Metallica (1854) 36 All compounded mettles of the same kind, as, Pewters, Belmettles, Sodars.
1637 in Parish Bks. St. Julians, Shrewsbury I. 27 (MS.), Received for 9 lbs. of Sodder, 3s.
1660 Boyle New Exp. Phys. Mech. xx. 146 We caus’d a skilful Pewterer..to close it up..with Soder.
1726 Leoni Alberti’s Archit. II. 17 b, The cramps..must be fastened into the sheets with hot sodder.
1750 T. R. Blanckley Naval Expos. 155 Sodder, used by the Plumber for soddering of Pipes.
_.1428 Engl. Misc. (Surtees) 1 þat nane of Þat crafte wirke any lede amang other metaill, bot yf yt be in souldour.
1530 Palsgr. 725, I sowder a metall with sowlder, je soulde.
1574 in Feuillerat Revels Q. Eliz. (1908) 242 For Leade and sowlder with woorkmanshipp.
1611 Cotgr., Souldure,..the knot of soulder which fastens the lead of a glasse window.
1685 Boyle Effects of Motion viii. 99 A gaping crack, which he was fain to fill up with soulder.
_.1724 Swift Prometheus Wks. 1751 III. ii. 150 Goldsmiths say, the coarsest stuff Will serve for solder well enough.
