This constructor is related to the French "Train" engines (see).

From Appendix 6: The main text mentions the Guinard engine as built by Train.

-In a French publication we see a Guinard-Train engine that is used on an airplane.

“Guinard logo”

-Although in the following illustration the same Guinard engine is announced as Motor Train, we see that they are two identical engines.

-It can be thought that if the whole group was Guinard, the engine itself was a Train.

-At the front of the engine in this second illustration appears the Train name.

-It is interesting to see that the Train-brand aviation engines are totally different.

-They are of greater importance and appearance compared to those of other brands.

“Guinard-Train ad”