Open figure viewer
To date three processes of micro‐reproduction have been established by common usage: they are microfilm, microcard, and microprint. Because of its primacy in the field and its extensive use, the merits of microfilm are well known and will be dealt with in this discussion only incidentally by way of comparison.
This content is only available via PDF.
© MCB UP Limited
1951
You do not currently have access to this content.
