sentences:  It is therefore convenient for anyone recalling such an event some fifty years after it allegedly took place to quote the year as 1903 or earlier.It is also notable that none of the eye witnesses that James Watson interviewed whilst preparing his case for Watson's powered flights ever mentioned that they saw a glider flying at Errol; all of them saw a powered aeroplane.Only in Bell Milne was there a recollection of a Watson glider and even then, he never saw it being flown.