PSN-L Email List Message

Subject: Re: good leveling screw source
From: Barry Lotz barry_lotz@.............
Date: Wed, 15 Feb 2006 20:30:20 -0800 (PST)


jim
    I have found that surplus surveying transit/level leveling screws have worked well for me, plus they come with an adjusting knob/wheel and bottom swivel (maybe not good, ie. possible minute horizontal free play) . Surveying repair businesses usually carry spare parts.
  regards
  Barry
  

James Hannon  wrote:
  I have not found the need to use extra fine pitch screws for leveling. I use national fine pitch socket head screws and grind the end to a dome shape. By using a long handle allen wrench to turn the screws I can get all the fineness in the adjustment I need.

Jim Hannon
--
Jim Hannon
http://www.fmtcs.com/web/jmhannon/
42,11.90N,91,39.26W
WB0TXL
--

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Public Seismic Network Mailing List (PSN-L)

  

jim
  I have found that surplus surveying transit/level leveling screws have worked well for me, plus they come with an adjusting knob/wheel and bottom swivel (maybe not good, ie. possible minute horizontal free play) . Surveying repair businesses usually carry spare parts.
regards
Barry


James Hannon <jmhannon@.........> wrote:
I have not found the need to use extra fine pitch screws for leveling. I use national fine pitch socket head screws and grind the end to a dome shape. By using a long handle allen wrench to turn the screws I can get all the fineness in the adjustment I need.

Jim Hannon
--
Jim Hannon
http://www.fmtcs.com/web/jmhannon/
42,11.90N,91,39.26W
WB0TXL
--

__________________________________________________________

Public Seismic Network

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