CARD CATALOGUES AND THEIR APPLICATIONS. 97 
city council are checked by the official list, and so on. The 
list is then ready, and the envelopes are addressed from it. 
On the back of each card is placed with a rubber stamp 
the number of the publication in question and the date of 
its despatch. This information is placed in an inverted 
position, so that it may be read by simply looking over the 
top of the card. 
EHxample 1:— 
~ Front of Card. 
oe * \ 
Sir John Murray, K.C.B., F.R.S., &., 
Challenger Lodge, 
Wardie, 
Edinburgh. 
© 
Back of Card. 
| 
FF 
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7 
I now come to deal with the question of the application 
of card catalogues to bibliographical purposes, and shall 
VOL. I. 
