Parts for old ceiling light in Seattle

Daughter in Seattle is fixing an old house. Says "the bottom part" of a ceiling fixture is missing. Any suggestions of sources for parts or repairs in Seattle area?
Tom Baker Charleston SC
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Tom Baker wrote:

http://www.revivallighting.com /
http://www.seattlebuildingsalvage.com /
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.