Re: MDF - Materials for Sundial Making

2000-03-04 Thread Gordon Uber
Here are a few Web sites with information on MDF and/or HDF. Georgia Pacific http://www.gp.com/build/products/ebspec.html#mdf Exim Corp. http://www.eximcorp.org/Products/Fiberboardmoisture/MRMDFProperties/mrmdfpro perties.html US Forest Products Lab Publications (search their Handbook for

RE: Materials for sundials - Formica

2000-03-04 Thread Larry Bohlayer
Fellow dialists, For those in the U.S. thinking of using the suggestion of Tony Moss to produce sundial layouts laminated in the top layer of a Formica sheet, the main plant and engineering folks can be contacted at Formica Corp., 10155-T Reading Rd., Cincinnati, OH 45241. Phone: 513-786-3024.

Re: Cylindrical Dial

2000-03-04 Thread Roger Bailey
At 07:29 PM 3/1/00 +0100, Alain MORY wrote: Hi, all diallists ! I'm asked to realise a vertical sundial on a circular tower. I don't know exactly (it's a truism !) how to proceed. This sundial will probably be built on stone, but we can't curve the stone. Then I think that it will be possible to

Re: Materials for sundial making.

2000-03-04 Thread Roger Bailey
This sounds like the material I've been using for exterior, vertical declining dials. I have had good success. The material is easy to work with a saw and router. It is uniform, dimensionally stable and weather proof. Some of my dials have been up for over ten years. In this time the paint has

Re: Cylindrical Dial

2000-03-04 Thread Ron Anthony
All, I think a multiface dial would be the most practical way to go. However, what kind of shadows would be cast by a sphere (say double the size of the cylinder) impaled on the tower? ++ron - Original Message - From: Roger Bailey [EMAIL PROTECTED] To: Alain MORY [EMAIL PROTECTED];

RE: Materials for sundial making.

2000-03-04 Thread Tony Moss
Dave Bell contributed: It does sound durable, at least! One wonders what the one-off cost would be, if supplied with the artwork or even pre-plotted paper. (I'm sure their paper spec is quite different from common plotter paper!) It's some years ago now but I remember that the paper 'seemed' to

MDF - Materials for Sundial Making

2000-03-04 Thread Tony Moss
Fellow Shadow Watchers, An old school friend in Vancouver confirms that he has been using the material 'MDF' (Medium Density Fibreboard) and calling it by that name for many years. Surely it must be the same in the USA? - is it? Tony Moss P.S. I'm still anxious to