Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: Pyroheliometer
    From: Thomas Kleemann
    Date: 2009 Jun 26, 23:52 +0200

    I read an article about it some months ago. Apparently the ministery of
    agriculture in Canada used this devices a lot.
    
    Orb-type,see:
    http://data.piercecollege.edu/weather/duration_sunlight_recorder.html
    http://en.wikipedia.org/wiki/Campbell-Stokes_recorder
    
    Others:
    http://en.wikipedia.org/wiki/Category:Sunshine_recorders
    http://www.sciencepunk.com/v5/gallery/quinnell.jpg
    
    /Thomas.
    
    Smith_Peter@emc.com schrieb:
    >
    > Can anyone provide more details of this type of device or other
    > non-electronic sunlight recorders?
    >
    
    --~--~---------~--~----~------------~-------~--~----~
    Navigation List archive: www.fer3.com/arc
    To post, email NavList@fer3.com
    To , email NavList-@fer3.com
    -~----------~----~----~----~------~----~------~--~---
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site