Progress is fine, but it's gone on for too long.

   Tetraethyl lead was introduced into gasoline as an antiknock additive in the 1920s, it made possible high compression engines, greatly im...

Vignacourt 14-18  WW1 Australian soldier posing... I expect that is not a regulation uniform. 

Pretty labour intensive. Doesn't look like high volume production to me. Safety definitely not first but at least they're wearing gl...

Those inventive Americans , National Geographic Magazine, 1971  At a county fair in the 1970, a small steam engine is driving a sewing machi...

    Little implement wrenches like this show up all the time at antique stores, generally part of the tool kit supplied with agricultural eq...

  In bicycle racing, Staying is an event where a bicyclist pedals in the slipstream of a pacer- a motorcycle or car- in an attempt to obtain...

 

  Brand new in 1958, discontinued in 1965. Might have been better as a 350?

Loc.gov  Model airplanes decorate the ceiling of the train concourses at Union Station in Chicago, Feb 1943, signifying the huge number of a...

Jan '85 Classic Bike    The caption indicates that this a welding demonstration at the BSA factory in 1952. The Golden Flash plunger fra...