Dear Paul, There is a company called Bowers and Wilkins. They are specialized in making very high tech speakers. Their incredibly expensive highest end speakers are nautilius shaped! I think visiting their site and contacting them might be useful for your project. http://www.bwspeakers.com http://www.bwspeakers.com/index.cfm/fuseaction/products.models/Label/Model%20Nautilus Best regards, Cuneyt Birol Ankara/Turkey >From: Paul Anderson <[log in to unmask]> >Reply-To: Conchologists of America List <[log in to unmask]> >To: [log in to unmask] >Subject: transverse view of conch or nautilus >Date: Thu, 19 Aug 2004 12:32:55 -0600 > >Dear CONCH-L members, >I wonder if anyone might be able to help with the interior morphology of >conch or nautilus shells. >As part of a multi-media presentation of a chapter from my novel, I >would like to have the 17th-century Mexican polymath Sor Juana Ines de >la Cruz presenting a musical demonstration on the conch shell trumpet >used by prehispanic Mexicans. > >I am looking for any of the following > > * an illustration that might help demonstrate how the morphology of > the shell helps propagate or amplify sound > * a cross-section not along the long axis of the shell, but rather a > lateral cut -- looking into the cone, towads the apex, or pointed > end, of the shell > * a cross-cut, not at right angles, but rather slanting in such a > way that the cross-section is not circular but elliptical > * any illustrations of spiral shells made by early modern artists > and scientists such as Leonardo > >As a non-specialist, I would be very grateful for any help you might be >able to offer. >cheers, >Paul Anderson > >***************************************************** >Paul Anderson, Hunger's Brides. Random House of Canada (2004). >Based on the life of Sor Juana Inés de la Cruz in 17th-century Mexico. > >To pre-order the book: >http://www.amazon.ca/exec/obidos/tg/detail/-/books/0679310886/reviews/ref=cm_rev_more_2/701-6086858-1493150 > > _________________________________________________________________ Protect your PC - get McAfee.com VirusScan Online http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------