 |
 |
PLEASE! somebody tell me how to unsubscribe from this list! thanks, brian levy At 17:28 2003-01-29 -0600, you wrote: >Hi David, > > From personal experience this is a very touchy subject for many >collectors. Nevertheless, please permit me to separate your question into >two parts. > >In the short term, assuming an adequate applicator was employed, cleaning >with the diluted dish washing liquid will remove a noticeable amount of >contaminants & afford some sonic improvement. It is by no means >thorough. A variety of contaminants remain including components of the >commercial detergent [perfumes, oils, dyes, etc]. For the most part, all >of these remaining materials are biological feed stocks to support future >growth of mold & mildew. Please remember that most liquid dish washing >detergents are not very effective are removing mold & mildew nor are the >formulated to rinse residue free. > >The use of the tooth-brush is hard to quantify. Bristle configurations >vary & what is soft to one may not be to someone else. Relative to "hard" >surfaces such as old shellac, Diamond Discs & acetates I don't believe a >soft tooth brush is harmful, it's just poor at reaching into groove >effectively. The idea is to present a fiber mass that fits well in the >groove & has the characteristics required to strongly & safely agitate the >cleaning solution. Random directionality, inappropriate fiber construction >as well as the choice of fiber are variable that must be carefully >controlled is the quality & safety of the process is to be assured. This >is why I've repeated argued that variations of painter pads are not as >effective as some would believe. Careful listening comparisons routinely >demonstrate the value of better cleaning materials. > >It is a wonderful experience to hear the results of thorough cleaning of >78s as well as modern vinyl pressings. We hope later this year to evaluate >alternate methods for the cleaning of lacquers prior to plating in an >effort to improving the quality of modern vinyl pressings. And don't be >fooled. Great analog mastering & recording engineers are still among us >as well as the facilities to produce the highest quality of pressings. In >the end we hope to re-define the standard for recorded sound with the goal >of encouraging a greater effort to be made to bring digital recording >technology up to this level. > >It matters to us & should to others, regards, > >Duane Goldman > > >At 04:39 PM 1/23/2003 -0500, you wrote: >>A question thrown out in general, but in particular to the doctor: >> >>What harmful effects occur from using a detergent such as Ivory liquid, >>highly diluted, applied to a shellac disc with a soft bristled >>tooth-brush? >> >>looking forward to some responses. >> >>David Sager > > ------ >h. duane goldman, ph.d. | P.O. Box 37066 St. Louis, MO 63141 >lagniappe chem. ltd. | (314) 205 1388 voice/fax/modem >"for the sound you thought you bought" | http://discdoc.com -------------------------------------------- Robert Brian Levy Language Activist; Archivist Executive Director Kiwat Hasinay Foundation Box 305 Binger, OK 73009 USA tel: 1-405-401-3928 email: [log in to unmask] homepage: www.ahalenia.com/kiwat