Re: How to engrave marble?

2008-07-16 Thread DMBsundial
The cost of a tungsten-carbide-tipped lettering chisel is about £15, and of a suitable dummy about £25. Not much cost, but quite a bit of skill needed. David Brown Somerton, Somerset UK ---

How to engrave marble?

2008-07-15 Thread Ricardo Cernic
Hi dialist fellows! I'm considering to make a sundial with marble. Does anyone have some tips in how to engrave this type os material? I've already manually engraved slate with nails of different diameters, but when I try the same process with marble I do not get neat lines. What I'm looking

Re: How to engrave marble?

2008-07-15 Thread Bill Gottesman
Very fine lines can be etched with an abrasive blaster. Silicon carbide is the best blasting material, but aluminum oxide (less expensive) also works well. I hire a sign maker to blast the granite (and occasionally marble) stones for my Sawyer Equant sundials. The lines are about .040 wide

Re: How to engrave marble?

2008-07-15 Thread Ricardo Cernic
--- De: Bill Gottesman [EMAIL PROTECTED] Para: Ricardo Cernic [EMAIL PROTECTED] Cc: sundial sundial@uni-koeln.de Data: Tue, 15 Jul 2008 10:25:06 -0400 Assunto: Re: How to engrave marble? Very fine lines can be etched with an abrasive blaster. Silicon carbide is the best