What is it? (Unofficial edition)

Not mine, just found it while browsing - any guesses (or real knowledge) as to its purpose? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item 0126340837&ssPageName=STRK:MEWA:IT&ih2 (eBay item 120126340837) Andy
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

it's a vernier protractor
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Looks like it's for calculating angles out from an inside 90 angle.
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.