Hello all
October 1946 a new gauge was born in the American Model Railroading world. Joyce Harold of Hartford Indiana introduced his 1/10" scale TT ( table top) gauge ....the smallest commercially available gauge.
The initial TT pieces were cutting edge railroad technology EMD E7 and a string of gleaming aluminum streamlined passenger cars. Modelers in other gauges would have to wait years to duplicate a similar set.
HP Products would expand adding a full line of steam engines , freight cars...but the E7 would be their only diesel. Lack of ready made sectional track would be one of the down falls of American TT ... the European TT market opened by the mid 1950's with more RTR products and continues today.
HP Products would fade from the model train world in the early 1960's ...but still in business as a metal stamping company today.
Please see link for HP Products Super Chief and Twentieth Century in action .