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M , Blanchard , accompanied by Dr. Jeffries , accomplished the unprecedented feat of crossing the English Channel from Dover to Calais in a balloon ; but notwithstanding the efforts of Blanchard , Lunardi and many others who sought by means of oars and other devices to steer the aerial vessel , the balloon remained essentially what it was at the first , a thing to be blown whithersoever the wind listed , and no material advance was made in this direction until 1852 , when M. Giffard constructed the first elongated or cigar-shaped balloon , equipped with a screw or fan propeller , and driven by a steam engine of special design ; the rudder was a triangular sail at the rear , above the car , and under the balloon . We have materials for you available upon request to help you recruit and advertise our programs , and we will even make classroom presentations ( as short as 5 minutes or as long as your class ) if invited . It is this commitment to all without differentiation which gave the priest such an honored place in the Church in the past . Mr. Dzisiak noted that Americans consumed 8 billion pounds of trans fats a year , much of it from processed foods . A demonstration followed by an opportunity to make chapattis yourself with the option of eating them with delicious vegetarian food .