prototype Solutions First of a kind to be produced has 4 entries with similar clues 5-letter wordsnylonstrong polymer first produced by the dupont firm in the 1930s6-letter wordsescortFord car, first produced in 19687-letter wordsmustangFord car, first produced in 19648-letter wordsoriginalProduced firsthand, not a copy
Solutions First of a kind to be produced has 4 entries with similar clues 5-letter wordsnylonstrong polymer first produced by the dupont firm in the 1930s6-letter wordsescortFord car, first produced in 19687-letter wordsmustangFord car, first produced in 19648-letter wordsoriginalProduced firsthand, not a copy