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The original Holdsworth Zephyr had eyelets and clearance for mudguards, and usually (and erroneously) is described as a path racer, as if it was different from a track bike.
Hillary Stone on this forum years ago:
Path is simply another word for track, and does not have a different
meaning. The Americans have in more recent times misunderstood the
word and attached meaning to it that make no sense. This is a
road-track frame designed for use on the road and track, that is why
it has mudguard eyes. Most track frames built in the 1950s were built
as dual-use road-track frames, many riders would also time-trial on
their track frames and they would often also be used for training
during the winter, money to have several different frames for each
part of the sport was mostly not available.
These are called something specific. Path Racers or something? I had one for years made by Genesis - it was awesome.