On 07/07/2019 11:27, Marland wrote:
Harry Bloomfield wrote:
Marland formulated the question :
cable trams like in San Francisco where they can be released by
a grip mechanism.

Thanks, I have always wondered how they worked!


Probably more than you really wanted to know at

http://www.cable-car-guy.com/html/cchow.html

There were examples in the UK , Edinburgh was the most extensive but
converted to electric in the 1920s.
The Glasgow Underground was also cable hauled till the mid 1930s.


GH

You really have to admire the ingenuity of people who managed to make
these work so well! It's (sort of) a logical successor to Brunel's
atmospheric railway.