Tower tunnel
2 Aug 1870 , began his work for the first underground railway tunnel. It was built in London in 1869 and passed under the Thames. The diameter of the tunnel was approximately 2 meters and a length of 410 meters. However, this train never cruised. Instead, the passengers were moved to the only wooden car, which with the help of cables driven by two steam engines. The trip took just over one minute.
Due to low profitability and frequent breakdowns soon, the tunnel made a foot, but still took the money for its use. But in 1894 there were built and opened for use of tower bridge, so the tunnel has finally lost its popularity. However it exists to this day, only now used for plumbing.
2 Aug 1965, became available for purchase the first phone, disc to dial the number which was on the same tube. In 1966 such telephone sets were produced and with buttons instead of a disk.
Interestingly, the first models for lighting used incandescent light bulb. But very few people from users is acceptable, because this phone required a connection to the mains. After this, the manufacturer began to produce phones with LED-backlit, which were able to feed from the telephone Jack, and the remnants of the previous models were sold as “bespozvonochnye” option.
Phone-monoblock
In 1977, Fortune magazine made a phone with the ability to dial directly from the handset in the list of 25 the best design finds in U.S. history.