Physical description
Set of six cardboard cards modelsof valve and piston motions of high speed steam engines. Produced by Thomas Jomes and T Gilbert Jones.
Printed document titled: Working Models of High-speed Steam Engines, Series No. 3 by T. Jones, M. I. Mech. E. and T. Gilbert Jones, M. Sc., Wh. Sc., A. M. Inst. E. E. There is a reduced facsimile of Model No. 6. The 'Willans' Central-Valve Single-Acting Compound Engine, a description on using the models, a List of Models, Special Engineering Publications, Working Models and The 'X' Series of Cardboard Models. Also for full particulars sned to UK.
