What a great photograph.

Being nosey I Googled "Heenan & Froude Ltd." and what an innovative and interesting company they were. No wonder they had such a huge drawing office.

I toyed with the idea of scanning and stitching the two halves, but other things got in the way...

One of my fellow ham radio neighbours from years ago used to work for them in 70s / 80s - Roger Wenham. Believe he is in Germany now.
In the early 90s the computer company I was working for took on a new production manager, Jim somebody (ex SBS) who came from Froude.

My late brother worked for Heenan and Froude in the 70s , before transferring to Froude Inc in Detroit Michigan.

In those days they made really quite sophisticated (for their day) dynamometers for testing all types of engines.

I was particularly interested in the performance cars side , they supplied just about all the big names in saloon car tuning and even a few F1 engine builders (John Nicholson)

However he said the more interesting work came when considering much larger engines eg: military tanks, marine, large commercial etc.

I seem to remember that their premises backed onto the Worcester and Birmingham canal (know affectionately as "The Cut" by us schoolboys, the exhausts from their test bays exited through a wall onto the canal . When they were testing something there would inevitable be loud bangs and occasionally flame-outs over the cut , which kept us amused no end (but I guess local residents probably had a different view)

Thats right, opposite side to the Worcester FC ground. What was your brothers name - again might be a colleague of Dad.