Home
  Search Archives     
  Available Archives
   1969-1979
   1980-1989
   1990-1999
   2000-2009
   2010-2017
    1969    
    1969    
1970
1970
1970
1971
1971
1971
1972
1972
1972
1973
1973
1973
1974
1974
1974
1975
1975
1975
1976
1976
1976
1977
1977
1977
1978
1978
1978
1979
1979
1979
    1980    
    1980    
1981
1981
1981
1982
1982
1982
1983
1983
1983
1984
1984
1984
1985
1985
1985
1986
1986
1986
1987
1987
1987
1988
1988
1988
1989
1989
1989
    1990    
    1990    
1991
1991
1991
1992
1992
1992
1993
1993
1993
1994
1994
1994
1995
1995
1995
1996
1996
1996
1997
1997
1997
1998
1998
1998
1999
1999
1999
    2000    
    2000    
2001
2001
2001
2002
2002
2002
2003
2003
2003
2004
2004
2004
2005
2005
2005
2006
2006
2006
2007
2007
2007
2008
2008
2008
2009
2009
2009
    2010    
    2010    
2011
2011
2011
2012
2012
2012
2013
2013
2013
2014
2014
2014
2015
2015
2015
2016
2016
2016
2017
2017
2017

 
   1982 >> December  

Message to readers about contents for this month....

  

   

A Chapter About Insulators

   

   

In no department of telegraphic science has so much ingenuity been expended, and so little real progress been made, as in that which relates to the proper insulation of the "line wires." Many of these devices -- "and their name is legion" -- possess a high degree of ...                    [more]



   

Letters to the Editor

   

   

Dear Dora,

I am a fan of the Hartford Electric Lighting Company's pole. Since I like drawing and you want pictures for the magazine, I drew you two sketches of H.E.LT. Co. poles in Thomaston, Connecticut (Perhaps you've heard of Seth Thomas clocks.). The typical prototype of this company is ...                    [more]



   

Research Division

   

   

Dear Dora,

I know this is an error, but I found a Hemi 16, a CD 115 clear. Did anyone ever hear of this?
Sincerely, 
Herb Barker 
Missoula, Montana


Dear Dora,

I need some information on an embossing on the base of an ...                    [more]



   

Foreign Insulators

   by Marilyn Albers

   

Potheads and Spur Insulators

Collectors of foreign porcelains seem to be generally excited about finding the peculiar shaped insulator nicknamed the "Pothead". It has a top cover which unscrews from the rest of the insulator and resembles a jar of peanut ...                    [more]



| Magazine Home | Search the Archives |