@MyMarketingFile TY4 FOLLOWING,Mentions & Retweets! Compare Todays Complex HELICOPTER Design, To HILLERS Hornet! A VERY Simple, But, VERY Efficient Self,Rotating,ROTARYWING!!! pic.twitter.com/Scer8Gf6hO
— Charles Glazebrook (@rotate1953) February 18, 2018
from Twitter https://twitter.com/MyMarketingFile