<html> <body> List, Here's some stuff from the archives from several years ago. Avery ========================== ========================== =============== <pre>Hi Richard/Newton, I have wondered about this as well.  Röslau (from metric Germany) comes from the factory marked for the American market labeled in American sizes, i.e. 16, 161/2, 17, etc.  What I am unsure about is if they actually draw American size gages or if they simply mark their metric wire to the closest American equivalent.  Anyone know? I ordered  Röslau gage 16 from APSCO recently and it mic'ed exactly the same as my metric Röslau gage 16 1/2 which I had imported from Germany to my shop (at more than twice the cost). I am going to continue my query with more sizes. Dave Sanderson Littleton, MA On Thu, 22 May 1997 23:19:42 -0500 Richard Moody <<a href="mailto:remoody@easnetsd.com">remoody@easnetsd.com</a>> writes: >I am wondering why German wire sold by APSCO is not listed in its >metric size. Röslau piano wire is listed in sizes 12 - 23 with half >sizes the same as Mapes and Diamond Brand. > >The question is, is # 20-1/2 wire the same or different from >manufacturer to manufacturer? > >Richard the wirey >---------- >> From: Newton Hunt <<a href="mailto:nhunt@jagat.com">nhunt@jagat.com</a>> >> To: <a href="mailto:pianotech@byu.edu">pianotech@byu.edu</a> >> Subject: Re: Duplex noise ratio >> Date: Thursday, May 22, 1997 12:46 PM >> >> Dave asked about metric wire sizes.  The differences between metric >> and American sizes are indeed small in the smaller sizes but become >> rather more at the larger sizes. > >> snip >> >> I had both metric and American wire at Rutgers and used the metrics on >> the Bechstein, Bosendorfer, the Yamahas and the Kawais.  All others >> got American wire. >> >> German wire is available from APSCo and Schaff. >> >> <x-tab>     </x-tab>Newton Date: Tue, 27 May 1997 08:03:26 -0400 (EDT) From: <a href="mailto:pianobiz@juno.com">pianobiz@juno.com</a> (Dave Sanderson) Subject: American vs Metric wire Hello all, I have modified the format only of Newton's data (hopefully not manipulated). Perhaps someone who buys Röslau from APSCO could take a mic and see which column of numbers their Röslau wire matches the best. Imported Röslau from Jahn, of Germany is always marked on the package in millimeters (.925 mm). The ring of Röslau I bought from APSCO recently just had a gage number (16) on the package, no corresponding diameter in either inches or millimeters. It matched my imported 16 1/2 exactly, in other words, it mic'ed at .950 mm. David Sanderson Littleton, MA <a href="mailto:pianobiz@juno.com">pianobiz@juno.com</a> ______________________________________           American Wire      Metric wire Gage    .001"      mm        .001"    mm    12   .029"    .737mm     .0285"   .725mm  12.5   .030"    .762       .0295    .750    13   .031"    .787       .0305    .775  13.5   .032"    .813       .0315    .800    14   .033"    .838       .0325    .825  14.5   .034"    .864       .0335    .850    15   .035"    .889       .0344    .875  15.5   .036"    .914       .0354    .900    16   .037"    .940       .0364    .925  16.5   .038"    .965       .0374    .950    17   .039"    .991       .0384    .975  17.5   .040"   1.016       .0394   1.000    18   .041"   1.041       .0404   1.025  18.5   .042"   1.063       .0413   1.050    19   .043"   1.092       .0423   1.075  19.5   .044"   1.118       .0433   1.100    20   .045"   1.143       .0443   1.125  20.5   .046"           =     .0453   1.150    21   .047"   1.194       .0463   1.175  21.5   .048"           =     .0472   1.200    22   .049"   1.245       .0482   1.225    23   .050"   1.295       .0512   1.300  23.5           =             .0531   1.350    24   .053"   1.346       .0551   1.400  24.5           =             .0571   1.450    25   .055"   1.397       .0591   1.500    26            &n= bsp;          .0630   1.600 </body> </html>