Learn to Play Nature has given us many positives and negatives.
"Dollars and Sense"
Col. Wm. C. Hunter
In Latin, words like intimus, extimus, ultimus, preserve im; whilst venustus, vetustus, and robustus, are considered as positives, preserving the superlative form -st.
"The English Language"
Robert Gordon Latham
At the end of the scene the negative is developed in the ordinary way, and is then ready for use in the printing of the positives for sale.
"Edison, His Life and Inventions"
Frank Lewis Dyer and Thomas Commerford Martin