19th century

KONSTANTIN UDALOV: "IN THE FOOTSTEPS OF V. B. SHAVROV". Vol. 1 Moscow 2022, 228 pages, ISBN: 978-5-4465-3169-1 Hi everyone! This is Konstantin Udalovs latest publication. The book "In the Footsteps of V.B. Shavrov" is an attempt to provide extended information on aeronautics and aviation in...

View: https://www.youtube.com/watch?v=J3F2odr2MsQ From the comments thread: By any chance does anybody have pictures of this, or other attempts to weaponise the rock cannon concept?

https://www.asahi.com/ajw/articles/14724794 A few photos at the link.

https://www.bbc.com/travel/article/20220919-the-sunken-steamboats-of-maines-moosehead-lake

The Victorians developed effective turbines for turning water and steam power into work, and also turbopumps for doing the opposite. During the early part of the 20th century, research was carried out into various arrangements for turbo-compression, combustion and turbine work extraction in the...

View: https://www.youtube.com/watch?v=3AF_YJRlt1Y https://en.wikipedia.org/wiki/Albany_and_Susquehanna_Railroad

http://www.bbc.com/travel/story/20191212-the-invention-that-inspired-a-new-york-tradition

I love very much the delightful novel "The two Georges" in which American revolution (and French revolution) never happened,and in a 1995 in many respects very similiar to 1935, British Empire reigns over great part of the world. My question is which can be the more plausible alternate timeline...

Before we got LCS, their were a number of concepts that involved the use of one or more motherships acting as the center for a large number fo smaller, and more expendable combat vessels-- can anyone point to a source for information and images about these earlier concepts?

While digging around on the Milhist.dk site, I came across an article about something called a Rifle Fire Rocket. http://www.milhist.dk/vaaben/lands/rifle_rockets/rifle_rocket_uk.htm I'm interested in learning more about this weapon, but a quick check on the net hasn't revealed anything.

Does anyone have any additional information on the proposed Royal Dockyard at Northfleet? Royal Dockyards by Philip MacDougall Pages 134 – 136. In the light of John Rennie’s great experience as an engineer, it is interesting to consider observations he made on various royal yards in 1807...

Hi folks, A little while back I mentioned this set of books - well I have been in contact with the author, Keith Meggs and can now inform you that the first volume of this set should be available in the very near future. Moreover, Keith is recording the details of those who are interested in...