Ian-
	Try the Pentel Artline 200   0.4, it appears to survive ethanol,
xylene and any other solvents we care to throw at it. I am afraid the
only suggestion I have for the illegible lab. numbers is handwriting
lessons !

				Liam Brennan
				Histopathology Dept.
				Belfast City Hospital
				Northern Ireland.

Ian Clarke wrote:




> Dear Histonetters,
>                                I am looking for a pen that is able to
> write
> on twin frosted slides , we use pencil on these slides at the minute
> but
> find lab numbers hard to read sometimes .  We have tried the Shurmark
> pen ;
> Sharpie industrial fine and extra fine markers and Shandons slide
> pen.The
> Sharpie  is fine for the superfrost slides and cassettes but comes off
> the
> twin frosted slides.The Shurmark  is also fine for cassettes and
> superfrost
> slides but is only slightly better than the Sharpie in that it appears
> to
> have faded when used on the twin frosted slides .Shandons pen is only
> good
> for the superfrost slides and it also dries out very quickly. Does
> anyone
> know of another type of pen please forward details.
> thanking you
> 
> Ian Clarke
> Histopathology/Cytology Department
> Craigavon Area Hospital
> UK
> 
> 
>