Tire placard pressure is often much lower than listed on the tire sidewall. Air pressure given by the vehicle maker was based on the tires supplied with the vehicle. They design many newer replacement tires to give a good ride, with much more pressure.
Fresnel lens. A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without the weight and volume of material which would be required in a lens of conventional design. Detailed information.
Short Answer: Anton van Leeuwenhoek made innovations to the simple microscope with a single lens. His microscopes received no special name and were enhancements of the simpl â¦ e microscope.. Anton van Leeuwenhoek always referred to his instrument as a Vergroot-glas, which translates into magnifying glass.