the history of Building Services Engineering from
its beginnings over the last two hundred years has
presented the Heritage Group with a myriad queries.
Many of these queries still need answers. So any visitor to the Website who may may have an answer to any query is invited to contact the Website.
|Q1 - When (year &
location) was the first electric motor DC or AC used to
power a Ventilation fan of any type or pattern. Guesses