When Johann Bessler built his perpetual motion machine, he dreamed of fame and fortune but he struggled to find a formula which would persuade any potential buyers to go ahead and buy it. Gottfried Leibniz gave him some sound advice which he followed.
First he had to persuade people that his machine was genuine and that he was not a crook, swindler or hustler. This was difficult in those times with several of the latter sort all competing to extract some pecuniary benefit from every a sucker, dupe, mug or sap. His hands were tied from the start by his not unreasonable requirement that no view of the inside of the wheel would be allowed before a firm agreement to buy at an agreed price had been established.
He feared that if he allowed anyone to see and understand how his machine worked, they could make a similar device and sell it for considerably less, or perhaps teach others how to build their own version. There were no patent laws available to protect his invention, at least not of any worth. So his demonstrations had to make it clear that it was impossible for him to be found cheating in some way.
He devised a few illustrations to show what the machine was capable of. He showed it lifting heavy weights up the side of castle; turning an Archimedes pump; he installed two sets of bearings mounted on their own pillars so that he could transport the wheel from one set to the second set. This allowed each pair to be examined by the many spectators and examiners to check for any signs of fraud. His last demonstration involved the machine being locked in a room for a total of 54 days. Karl the Landgrave of Hesse, secured the lock with his personal seal and two guards were instructed to guard the door for the duration of the test.
The exhibitions drew hundreds of people to witness the demonstrations, examine the machine and the bearings, which were left uncovered during the examinations. There was a lot of interest but the inventor had asked too much for the invention. One hundred thousand Thalers - equivalent to £20,000 at the time. This was the figure the British government had offered as a reward to the person who invented a way of establishing a ships longitude . John Harrison won the prize eventually for his marine chronometer. This figure could only be possible for a Prince or an exceedingly wealthy member of the aristocracy and it was to these kind of people that Bessler addressed his plans.
As an aside Buckingham palace was built in 1706 at a cost of £7000 and adjusted for inflation this equates to a contemporary sum of £1.8 million! Of course if it had a market value it would exceed 3.7 billion pounds. But according to the web site at, https://www.nationalarchives.gov.uk/currency-converter/#currency-result Bessler’s £20,000 would be equal to £2,322,150. But even in 1717 with his £20,000 he could buy for instance 3717 horses, or 4807 cows!
It is clear from the many letters we have from that time, that Bessler’s machine attracted a lot of attention and was promoted among the neighbouring kings and princes. Despite the convincing evidence that his machine actually worked just as it’s inventor claimed, no one was prepared to take what appeared to be something of a gamble, and agree to pay the price asked. Actually there was one man who wished to buy it. The Czar of Russia, Peter the Great, determined to bring his country up to date by founding universities, school, libraries and importing professors, teachers and craftsmen in the most useful trades, etc, was persuaded to visit Bessler and had made arrangements for payment in full …but unfortunately died on his journey to Kassel. One wonders how things might have changed if he had succeeded in his plan.
News of the invention and how it was being used would have spread quickly just as Newcomen’s steam engine did and was used extensively to pump water from flooded mines. I’m not sure if it could have survived the steam age but it could have lived on among those few who were attracted to the concept of a free energy machine and awaited it’s rediscovery just in time to help with today’s problems.
In one of his books he says that he was told that if he was able to build a working PM machine it would be worth a ton of gold. A ton of gold is worth, very roughly, £41,517.000.
In the end I think he asked way too much for his invention.
JC
NB. Copies of books about Johann Bessler and his own publications are available from this blog. See the side panel at both the top and bottom.