Transmisión por fricción (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Transmisión por fricción" in Spanish language version.

refsWebsite

Global rank Spanish rank

1,459^th place

1,201^st place

1books.google.com

3^rd place

7^th place

1southdevonrailwayassociation.org

low place

low place

books.google.com

Chas. A. Trask, Tractor Friction Transmissions, Journal of the Society of Automotive Engineers, Vol. II, No. 6 (June 1918); page 440. Page 444 discusses the Plymouth locomotive, with a drawing and photograph on page 445.

southdevonrailwayassociation.org

«Wickham Motor Trolley». South Devon Railway. 5 de abril de 2013.

uspto.gov

patft.uspto.gov

Floyd B. Carter, Locomotive, Patente USPTO n.º 1283665, Granted Nov. 5, 1918.