Last Saturday I was handed this:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFV7hIFUnhfWZef2rt379Z9viEsDgCThlTnvxFXfYxBr38dB_JLaIKL9uhGA5xWZHG1EJfexXO6GvFc-4w7e2Ktj6pqtfR5SIaA73i9HfIImMGefbdc4vgqbyxDbPgQN85q8hAruZdBR8/s320/loco+trac.jpg)
It's of around 7mm scale and in the photo is standing on Peco HO track. But what is it? That I didn't know. Jacky Molinaro came to the rescue with some prototype information: Petolat, built 1930, a 'test' production run of one, retired from work in the 1950s. Jacky also supplied this in service photo:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4gy90nxGGEmO98yagw1LJauQZqBihwt_XaMTMuSyN8MApxE9fQ0TLco7Pr_8TvPhLkrbiaRmI-vSVKEVo26rpcHp_UggsrQAqdsTsHFz0SoZK90S6rwmK68LgdSC4kcqaOIPjh0asVk4/s320/PTOLAT~1.JPG)
But what is the kit and who made it? It's nominally 7mm scale or Oe and of etched brass construction.
My thanks to the above gentleman for his help.