From the battlefield to the hospital
The chain of evacuation:
How to research a soldier who served in the British Army in WWI http://www.researchingww1.co.uk/british-soldiers-ww1
The soldiers were transported from France in Hospital Ambulance Troopships. They arrived in Southampton docks and were taken by train to the back of Netley Hospital. The train lines can still be seen in the ground today.
They were then taken into the hospital....
or treated in the Red Cross Hospital, the entrance of which was at the end of a path directly in line with the Chapel.
From The Netley British Red Cross Magazine August 1918
This note was left on the cenotaph I think by the lovely people of the Dogs Trust.
From The Netley British Red Cross Hospital Magazine June 1918
Here is a link to Picture Postcards from the Great War 1914 - 1918. A very informative site with postcards of soldiers, their uniforms and much more. Scroll down the page and you will find references to Netley about two thirds down.
http://www.worldwar1postcards.com/real-photographic-ww1-postcards.php