This is part of the factory drawing for the Brake First Carriage for the 16 and 798 Silver Jubilee/Streamlined Passenger Trains, produced from 1936 to 1940 and from 1946 to 1959.
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The bottom left section shows the change control and indicates that there were no changes to the drawings during the War as suggested in The book Dinky Toys and Modelled Miniatures.

This is part of the factory drawing for the Brake First Carriage for the 16 and 798 Silver Jubilee/Streamlined Passenger Trains, produced from 1936 to 1940 and from 1946 to 1959.

The bottom left section shows the change control and indicates that there were no changes to the drawings during the War as suggested in The book Dinky Toys and Modelled Miniatures.

This is part of the factory drawing for the Brake First Carriage for the 16 and 798 Silver Jubilee/Streamlined Passenger Trains, produced from 1936 to 1940 and from 1946 to 1959.

This is the factory drawing for the 23e/221 Racing Car Eyston's Speed of the Wind, produced from 1936 to 1941 and from 1945 to 1956.
This image has been donated to the DTCA by Mike Richardson.