Vector hand-drawn vintage flying machines 插畫檔

A hand-drawn illustration of four vintage flying machines. All the images are drawn with black ink and include a great deal of shading and texture. In the upper left corner is a hot air balloon with two people in the basket. In the upper right is a biplane with a propeller and fixed landing gear with a horizontal stabilizer. In the center of the image is a zeppelin headed toward the left. In the bottom left corner is an older biplane with a propeller, fixed landing gear and a box-type tail. In the bottom right is the logo "Flying machines" set in and around a banner.