xactly, as in using a pointer on a diagramor on the black-board. It is not known to the author who devised this method.It is certainly of the greatest advantage in demonstrating objects like amoebas orwhite bloo.l corpuscles to persons not familiar with them, as the field is liable to 64 LA BORA… … S5
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.