UK Royal Ordnance Depot WEEDON:

This British Military Ordnance Depot was built between 1805-06 as the central small arms depot for the British Army - next to the Grand Junction Canal at Weedon Bec. - It was built in this secretive central UK location in Northampton because it was as far away as you could get from any coastal invasion force.

Eight Weedon Storehouses With Central Canal Cut Entering Through A Portcullis.

It was an important place that operated with it's own canal cut and railway branch line right-up 'till it was closed in 1965 and finally sold-off in 1984.

The initial area was 53 acres but later expanded to 153 acres. The heavy walled magazine buildings were separated by blast mounds and in the day stored 1,000 tons of gunpowder.

Magazines - Small Arms Stores.

Originally the gunpowder was delivered by barge but when the main rail line was built it blocked the canal - resulting in a complete section of the tracks having to be lifted to permit the canal barges entry .. rather problematic on a very busy line that curved sharply on both approaches to the canal.
It is notable that in one 13 month WWII period 1942-43 Weedons Depot issued 3,500,000 weapons.

Water Cooled Machine Guns From America. 
(Vickers-Colts M-1915 ? - Destined For The Home Guard?)

Here is a Link to an excellent history site:

 http://www.subbrit.org.uk/sb-sites/sites/w/weedon/index.shtml

Weedons Depot barracks at one time housed 500 men PLUS 121 military prison cells, a hospital, a chapel and a horse stables block.

In 1900 a three story military clothing store was built at Weedons that dressed and 'booted' much of the army personnel from England and Wales throughout The Great War 1914-18.

Today the remaining buildings are being re-purposed for storage and industry, but the main part of the original surrounding land has been developed for housing.

- Here is a link to a very good video-look around at the DEPOT site and buildings .. but the presenter needs to loosen-up a little eh:

https://www.youtube.com/watch?v=OKs0WAyC9Qg

Marty K.