Changes

Polhemus developed magnetic tracking for tracking a pilot's helmet for use with a head-up display. Polhemus received Air Force contracts.<ref name="b232"/> Polhemus faced financial difficulty, and was sold to the [[Austin Company]], a company in Cleveland, Ohio.<ref name="b232"/>

Polhemus developed magnetic tracking for tracking a pilot's helmet for use with a head-up display. Polhemus received Air Force contracts.<ref name="b232"/> Polhemus faced financial difficulty, and was sold to the [[Austin Company]], a company in Cleveland, Ohio.<ref name="b232"/>

The company was then sold to [[McDonnell Douglas]]. It was called the Polhemus Navigation Sciences division of McDonnell Douglas.<ref>https://dl.acm.org/doi/10.1145/167962.165918</ref> Two employees left and founded [[Ascension]].<ref name="b232"/> Polhemus was sold to [[Kaiser Aerospace and Electronics]].<ref name="b232"/>

The company was then sold to [[McDonnell Douglas]]. It was called the Polhemus Navigation Sciences division of McDonnell Douglas.<ref>https://dl.acm.org/doi/10.1145/167962.165918</ref> Two employees left and founded [[Ascension]].<ref name="b232"/> Polhemus was sold to [[Kaiser Aerospace and Electronics]].<ref name="b232"/> Philip G. Cooper was the President of Polhemus.<ref name="o066"/><ref name="n232">{{cite web | title=Press Release: 1996-08-05: Sega Selects Polhemus to Develop Next Generation Motion Capture System | website=Sega Retro | date=2019-07-20 | url=https://segaretro.org/Press_Release:_1996-08-05:_Sega_Selects_Polhemus_to_Develop_Next_Generation_Motion_Capture_System | access-date=2024-05-25}}</ref><ref name="i569">{{cite web | title=Polhemus Press Releases | website=polhemus.com | date=1997-05-22 | url=http://www.polhemus.com/pressrel.htm#sega96 | archive-url=https://web.archive.org/web/19970330140730/http://www.polhemus.com/pressrel.htm#sega96 | archive-date=1997-03-30 | url-status=dead | access-date=2024-05-25}}</ref>

 

Philip G. Cooper was the President of Polhemus.<ref name="o066"/><ref name="n232">{{cite web | title=Press Release: 1996-08-05: Sega Selects Polhemus to Develop Next Generation Motion Capture System | website=Sega Retro | date=2019-07-20 | url=https://segaretro.org/Press_Release:_1996-08-05:_Sega_Selects_Polhemus_to_Develop_Next_Generation_Motion_Capture_System | access-date=2024-05-25}}</ref><ref name="i569">{{cite web | title=Polhemus Press Releases | website=polhemus.com | date=1997-05-22 | url=http://www.polhemus.com/pressrel.htm#sega96 | archive-url=https://web.archive.org/web/19970330140730/http://www.polhemus.com/pressrel.htm#sega96 | archive-date=1997-03-30 | url-status=dead | access-date=2024-05-25}}</ref>

Polhemus was incorporated as Alken, Inc. in Vermont.<ref name="v141">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/BusinessInformation?businessID=123354 | access-date=2024-05-25}}</ref>

Polhemus was incorporated as Alken, Inc. in Vermont.<ref name="v141">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/BusinessInformation?businessID=123354 | access-date=2024-05-25}}</ref>