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to the public, he is limited to a choice in name, mostly, for the three or four machines available all sell for about the same price.
About twenty-five years ago, by accident, or shall I say, the irony of fate, it fell to my lot to make and exhibit the first of the present type longitudinal projecting machines, a type which has become universal the world over. This early model has been in the United States National Museum for twenty-two years, and may still be seen on exhibit in the Graphic Arts department.
Now, it certainly seems to me that this is long enough to wait for a marked advance, and that the problem is squarely up to the motion picture engineers, including myself with perhaps added responsibility by reason of this early work, to give the fine theatres a correspondingly fine projecting machine. And in order that those of you who may be interested in designing such, may have the benefit of the data I and my engineer staff have developed by costly experiment, I shall be glad to show you, as individuals, what we have learned in order that your work may receive the impetus of enthusiasm which comes from a newly opened door in any art ; as, for example, when the newly discovered formula was made to the engineers of that time that 3.1416 times the diameter would always give the circumference of a circle.
Similarly, this picture information is yours, but to save myself the criticism of using my office for selfish publicity, I suggest that this be not published in the "Transactions" of this meeting.
Surely, it is time for a duplex, electrically-driven, self-controlled, automatic picture projector, a fine, high priced machine for fine theatres, and I earnestly urge you projector engineers to get busy along this line.
It may be remembered by some of you that the first steam engine employed a boy operator to manipulate the crank which shifted the entering steam from one end to the other of the cylinder of the engine. But this hand operation only continued for a few weeks before the boy ingeniously fixed it so that the engine automatically shifted the slide valve. This boy's cleverness made possible the development of the railway locomotive, perhaps man's most eflfective civilizing agent.
It is not particularly creditable to we engineers that we are now only just beginning to think of an advance over the crank turning stage in the motion picture business.