Herbert Miller inquired about this.  The Vestal Press used to sell a
reprint of a Leabarjan catalog which had some good annotated photos of a
range of perforators. I have a copy of it.  I'm in Upwey, VIC, so give me
a call on 9754-2426 if you would like to take a look at it.

John Wolff¶
Melbourne, Australia.