3 different vintage DIETZGEN K&E KEUFFEL & ESSER graph Paper guides

Description

Here are three different graph paper guides from these two leading providers.  There are 2 different K&E one including the older numbering system guide (v rare) and the newer ones.  All of these guides are in great shape.  they do date from the day (mid 1900s?)
dietzgen says copyright 1953  ( i haven't photographed this one yet)
the more recent K&E says 1967
the older K&E has no date that i can see
I have listed all kinds of vintage technical graph papers,
drafting templates and tools,  etc. so look at the other listings.
IF YOU WANT TO BUY multiple listings,  LET ME QUOTE A COMBINED SHIPPING PRICE BEFORE YOU PAY.