376 



Jl LIDS KM KIN BERG ON STEREOSCOPIC EFFECT AND A 



Altering the position in the Geld of view will likewise be 

 found t" make very little difference, so far as the layer in true 

 focus is concerned, though it may under certain circumstances 

 make rather more difference as regards out-of-focus layers. 



MS. 



Figs. 1—9. 



However, the differences from this cause— as may easily be 



•actically tried— are not sufficiently distinctive to aid us in the 



' of perspective, so long as monocular vision is in question, 



id they will be more conveniently discussed when we deal with 



binocular vision. 



