"Keith Willshaw" wrote:
| "Yeff" wrote in message
| ...
| On 14 Dec 2003 22:18:58 GMT, BUFDRVR wrote:
|
| I'm sure you could lump those in there as well. There has to be
some
| *formal*
| convention where this is spelled out no?
|
| I list them like this:
|
| 1st - canvas airframes
|
| Nobody ever built canvas airframes,

They did however build "inflatable canvas airframes" in the 1950's and
60's. Try a search on the ML Utility (RAF serials XK776, XK784 and
XK781) or the Goodyear GA-33/GA-447.