Sadly I didn't like it. The various measures the British system used to keep women down were very interesting but there was an assumed cause-and-effect that wasn't believable. British technological and organizational incompetence doesn't seem attributable to their misogynic biases. Rather the they're just another data point of systemic bad judgment.
Wow how did you hear about the book originally? It is quite new and I'm surprised that someone has heard of, purchased, read it, and found my submission on HN. Did you actually read it?
I regularly scan the MIT Press site for upcoming books and yes, I purchased, read and donated it to my local public library. History of technology is my thing...