[pianotech] My Heller bass communication

[Gregor _]

It´s still in the Jahn catalogue, Item No. 47.20.10. The description reads:

Duplex slide rule TF65/2 from Lothar Thomma und Klaus Fenner for figuring the lenght, diameters, tension and inharmonicity coefficient of all strings of pianos, harpsichords etc.

Its use was tought in the master classes in Germany before computers were usual. The only special thing is that it is very unusual to use such a beast in times of computers. Strange, but charming.

Gregor

------------------------
piano technician - tuner - dealer
Münster, Germany
www.weldert.de




From: davidlovepianos at comcast.net
To: pianotech at ptg.org
Date: Tue, 16 Nov 2010 06:58:27 -0800
Subject: Re: [pianotech] My Heller bass communication



I don’t.  What is it exactly and why is using it so special when compared with a computer?   David Lovewww.davidlovepianos.com    I would be extremely surprised if even a handful of list readers know about the Thomma-Fenner slide rule TF65... Jurgen GoeringPiano Forte Supply   		 	   		  
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