Accompanied by the original plan, the description of the collar and the tools relating to it as well as a model of said collar
Characteristics:
Handwritten plan detailing all the parts of the collar: 0.61 mx 0.47 m
Handwritten description of the plan of the collar and its tools: 4 pages 31 cm x 21 cm
Patent of Invention from the Ministry of Agriculture and Commerce: 42 cm x 27 cm
Model of the collar: Height: 20 cm. Width: 11 cm
Other photos and details on request