James,
As of June, 2008, Geotech Instruments price for a  Replacement heat writing 
stylus Model 38548 was $75.00.  Five hundred  sheets of heat writing paper 
was $255.00
Al
 
 
In a message dated 10/24/2009 5:03:41 P.M. Central Daylight Time,  
jcallen1@........... writes:

Thanks Al and Meredith regarding sourcing ink  writing stylus for 
helicorder.  I guess I will stick with the thermal  stylus that is on the unit for 
the time being and contact Geotech and see if I  can afford an exact 
replacement.
James Allen

----- Original Message ----- 
From:  _meredith lamb_ (mailto:paleoartifact@..........  
To: _psn-l@............... (mailto:psn-l@...............  
Sent: Saturday, October 24, 2009 2:38  PM
Subject: Re: TELEDYNE-GEOTECH  HELICORDER


James,
 
Perhaps Geotech might have such as Al Hrubetz suggests...but being as  ink 
stylus writing went out
long ago...one may have to resort to other (surplus...read: junk or  
unknown condition substitutes) brands.
The tips of worn pens usually gets worn out or abrasively flattened to  
where the ink flow smears all over
the place; rather than flow evenly and write with little snagging  
"sharpened" pen tip effect...as you likely already know.  I've never  figured out 
how to "round out" or "smooth the outside and inside" of  the writing tips to 
effectively, re-use such.
 
Sometimes....the pen tip isn't exactly flat to the writing drum surface  
(the prior tube gets bent up, down
or sideways...and this condition will give the impression that the pen  
isn't working...you might check
that first....in all directions of movement.
 
Heated (electrical resistance) tips might be a consideration, but the  
thermal paper prices are out of this
world for obtaining and prices are the same of course.
 
If you want to eventually take it email private, I do have a "junk box"  
assortment of other brand pens; that ~~~might~~~be mechanically adaptable if  
all else fails.  It might involve cutting, solder or glue or  other
monstrocities of the original pen.  If you have a accurate  micrometer or 
vernier gauge that tells the outside and (rough) inside  diameter of the pen; 
that "might" help.  Chances are probably poor  for a match; and it may 
involve you "adapting" a different brand or  size.  There is zero guarantee of 
my junk; they may be worn out also,  or dried ink clogged; I've not used such 
for many years...it can  be extremely frustrating to fuss with and get a 
"good" one.
 
Meredith Lamb
   


On Sat, Oct 24, 2009 at 1:56 PM, James Allen <_jcallen1@............ 
(mailto:jcallen1@............ >  wrote:


Does anyone have or know of a place where I  can obtain a replacement ink 
dispensing writing stylus for a  Teledyne-Geotech Helicorder?
Thanks
James Allen













James,
As of June, 2008, Geotech Instruments price fo=
r a=20
Replacement heat writing stylus Model 38548 was $75.00.  Five hundred=
=20
sheets of heat writing paper was $255.00
Al
 

In a message dated 10/24/2009 5:03:41 P.M. Central Daylight Time,=20
jcallen1@........... writes:

  
Thanks Al and Meredith regarding sourci=
ng ink=20
  writing stylus for helicorder.  I guess I will stick with the therm=
al=20
  stylus that is on the unit for the time being and contact Geotech and se=
e if I=20
  can afford an exact replacement.
  
James Allen
  
    
----- Original Message ----- 
    =
From:=20
    meredith lamb 
    
To: psn-l@.............. 
    
Sent: Saturday, October 24, 200=
9 2:38=20
    PM
    
Subject: Re: TELEDYNE-GEOTECH=
=20
    HELICORDER
    


    
James,
    
 
    
Perhaps Geotech might have such as Al Hrubetz suggests...but bein=
g as=20
    ink stylus writing went out
    
long ago...one may have to resort to other (surplus...read: junk=
 or=20
    unknown condition substitutes) brands.
    
The tips of worn pens usually gets worn out or abrasively flatten=
ed to=20
    where the ink flow smears all over
    
the place; rather than flow evenly and write with little snagging=
=20
    "sharpened" pen tip effect...as you likely already know.  I've ne=
ver=20
    figured out how to "round out" or "smooth the outside and inside" of=
=20
    the writing tips to effectively, re-use such.
    
 
    
Sometimes....the pen tip isn't exactly flat to the writing drum=
 surface=20
    (the prior tube gets bent up, down
    
or sideways...and this condition will give the impression that th=
e pen=20
    isn't working...you might check
    
that first....in all directions of movement.
    
 
    
Heated (electrical resistance) tips might be a consideration, but=
 the=20
    thermal paper prices are out of this
    
world for obtaining and prices are the same of course.
    
 
    
If you want to eventually take it email private, I do have a "jun=
k box"=20
    assortment of other brand pens; that ~~~might~~~be mechanically adapta=
ble if=20
    all else fails.  It might involve cutting, solder or glue or=20
other
    
monstrocities of the original pen.  If you have a accurate=
=20
    micrometer or vernier gauge that tells the outside and (rough) inside=
=20
    diameter of the pen; that "might" help.  Chances are probabl=
y poor=20
    for a match; and it may involve you "adapting" a different brand or=20
    size.  There is zero guarantee of my junk; they may be worn out=
 also,=20
    or dried ink clogged; I've not used such for many years...it can=20
    be extremely frustrating to fuss with and get a "good" one.
    
 
    
Meredith Lamb
    
   


    
On Sat, Oct 24, 2009 at 1:56 PM, James Allen=
 <jcallen1@...........>=20
    wrote:

    
      

      
Does anyone have or know of a place=
 where I=20
      can obtain a replacement ink dispensing writing stylus for a=20
      Teledyne-Geotech Helicorder?
      
Thanks
      
James Allen
       
=