Frederick Ries Plane with Helium Body

[hesham]

Hi,

here is a Model for a plane with a Helium body.designed by Frederick Ries.

https://books.google.com.eg/books?id=-Z1VdBCfV9QC&pg=PA25&dq=sam+rayzor+plane+magazine&hl=ar&sa=X&ved=0ahUKEwjJ9_qi6fnKAhXFPxoKHTY3CboQ6AEIGjAA#v=onepage&q=sam%20rayzor%20plane%20magazine&f=false