Answer: PROTOTYPES
AnswerCrossword Clue
PROTOTYPESPreludes to mass production
PROTOTYPESOriginals.
PROTOTYPESSome mock-ups
prototypesA building, vehicle, or other object that acts as a pattern for a full-scale model
prototypesA basic filter network with specified cutoff frequencies, from which other networks may be derived to obtain sharper cutoffs, constancy of characteristic impedance with frequency, etc
prototypesA typical example of something
prototypesPROTOTYPE
prototypesThe archetypal example of a class of living organisms, astronomical objects, or other items
prototypesA first or preliminary model of something, esp. a machine, from which other forms are developed or copied