...What will happenwhen those technies also deteriorate, and lose the will to work? Fordeteriorate they must, just as Senator Mollon and his still activeallies will... 
Various 「Astounding Stories, August, 1931」
...Eggs for hatching must be shipped when they arefresh as duck eggs tend to deteriorate in qualityquite rapidly...
Harry M. Lamon 「Ducks and Geese」
...Since duck eggs deteriorate morerapidly than hens' eggs they cannot be kept so longbefore they are set...
Harry M. Lamon 「Ducks and Geese」
...It is notorious that most of our best European breeds deteriorate in India...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Every thing having a tendency to affect thehealth may always be considered as calculated to diminish thissecretion, and, consequently, to deteriorate the quality of the wool...
Ambrose Blacklock 「A Treatise on Sheep:」
...The Bee is a corpse; and a little hustling here and there will not deteriorate its quality, provided there be no effusion of blood...
J. Henri Fabre 「More Hunting Wasps」
...They likewise suppose, butprobably without foundation, that the ore will be found to deteriorate inproportion as the workings descend...
H. G. Nicholls 「The Forest of Dean」
..., it does not spoil or deteriorate as readily as other printing papers, even when stored without special care or precaution...
John A. Tennant 「Bromide Printing and Enlarging」
...The tendency in the compounds of colours to run into brownness andwarmth is one of the common natural properties of colours whichoccasions them to deteriorate or defile each other in mixture...
George Field 「Field's Chromatography」
...There is a recognized tendency in all high-classenergy to deteriorate to a lower class...
Henry Warren 「Recreations in Astronomy」
...Notwithstanding the tendency of all high-class energy to deteriorate,to find equilibrium, and so be strengthless and dead, there is,somehow, in nature a tremendous push upward...
Henry Warren 「Recreations in Astronomy」
...Mere nature may deteriorate...
Henry Warren 「Recreations in Astronomy」
... why should it deteriorate in thefuture?...
Henry Warren 「Recreations in Astronomy」
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