half hours with the microscope
HALF-HOURS WITH THE MICROSCOPE -- -- In the examination of these Plates the observer is requested to remember that they are not all drawn to the same scale. Some objects, adapted for low powers, are only magnzlfied a few times, whilst smaller objects ar --This text refers to the Paperback edition.
Do you want to exchange books? It’s EASY!
Get registered and find other users who want to give their favourite books to good hands!
