Powerful deep vacuum pumps are needed for several operations…

“In 1914, with the outbreak of the European war and the establishment of the hermetic Germany blockage by the allies, the Neosalvarsan stock in Spain soon ran out. That was when a few informed doctors hyperbolically valued the neosalvarsan injections, while the rest had to turn to the slow mercury remedies again. For those who were used to the amazing action of Neosalvarsan, it meant something like changing from a fast car to a slow ox cart.

Since years before, the chemists and practitioners in the neighbouring country, who are even more French than therapeutic, had been trying to spread the use of certain arsenic preparations (among them hectine), with the hope of them being more successful than Ehrlich’s drug”.