Model of short-framed M7 No. 245 in 1905 condition 

Flush-riveted smokebox with wing-plates and combined front splasher/sandbox, short boiler handrails, open coal rails (3), original-type clack valves.

Built and painted by Chris Wesson

Photo courtesy Railway Modeller

Model of long-framed M7 No.109 in 1930s SR livery

Smokebox with snap-head rivets, un-sheeted coal rails (5), lifting brackets on tank tops, later-type clack valves, guard rails over rear cab windows etc.

Auto gear suppied by Laurie Griffin

Built and painted by Chris Wesson

                                                                                      Model of short-framed M7 No.30112 in early-BR condition before crests were generally available

Smokebox with snap-head rivets, sheeted coal rails (5), front sandboxes under footplate, lifting brackets on tank tops, later-type clack valves, continuous boiler handrail, guard rails over rear cab windows etc.

Built and painted by Chris Wesson

30040 was one of the V7 batch built in 1898 
with short frames, combined splasher/sandbox 
and shorter tanks.

The clack boxes were originally at the base of the front tube plate, but were later removed to the side of the boiler as seen on the model. 

Photo courtesy Chris Hoddinott