Jaguar E-Type Lightweight, launched in 1963 as a race version, designed by Samir Klat, only 12 where ever produced.
This is the 2014 clone of the original model, one of six, initiated by the Special Vehicle Operations of Jaguar/Land Rover, presented at Pebble Beach. Source. Photos: Rainer Schlegelmilch, one of the best german motorsports photographer.
The T-54AR “Řeka” (“River”) is one of the original Czechoslovak variants of the T-54A vehicle. It was a modification of the T-54A medium tank, intended for (as the name suggests) deep wading and crossing deeper streams by simply driving on the bottom. It was in production from 1961 to 1966 and 1230 were made. [x]
detail from Hoover : the story of a crusade. (1926)
The marks on the carpet show how long each stroke should be and a metronome guides her in making a given number of strokes per minute. By measuring her carbon—dioxide exhalation while she works, the amount of energy required to sweep with different devices and in different ways—slow, fast, long strokes, short strokes, etc.—is accurately determined. Such tests were made to determine Hoover technique and they demonstrated that the Hoover offers
the least fatiguing way of cleaning carpets and rugs