Do you mean this particular image? or Lartigues "style"?
Part of the reason why his particular images are so well known is because John Szarkowski and MoMA took his albums on wholesale and then promoted them to the world.
As for the racing car image, there are actually numerous examples of the same effect and look in the news magazines of the day, especially when they featured photographs of the newly popular sport of motor racing.
And for much of the rest of Lartigues work, as a youngster, along with his father, they were both part of a very active group of rich industrialist photographic amateurs who formed their own grouping and clubs - experimenting with both the technological/scientific and artistic aspects of photography (there were other distinct groups of photographers at the same time as well - the "Plein Air" group etc etc).
Until recently, not much research was done into these groups and movements in France, but in recent years, their archives and albums have been looked into more, and there are many other similar examples of the sort of artistic and technical experiments of the sort we have only seen more widely in the albums of Lartigue (and his father) - and which were treated up until recently by the photo historians as being essentially unique.
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