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The format for this year began in 1904, but it was the same size as the format that began in 1900, with a 7” X 10” format.

Not until I acquired my latest June 1905, did I realize there are some significant discrepancies in the way the issues were trimmed.

We’re talking 16ths of an inch, but it’s enough such that the magazines will not fit into the National Geographic slip cases.

Here’s how my collection measures up to the 7” X 10” format:

Month                Measured Dimensions                 Extras for June

Jan                      6 13/16 X 10

Feb                      6 15/16 X 10

Mar                     6 14/16 X 9 15/16

Apr                      6 14/16 X 10

May                     6 14/16 X 10 1/16

June (3 copies)  6 14/16 X 10 2.5/16*;                   6 14/16 X 10 1.5/16; 6 14/16 X 10 1/16;

July                      6 13/16 X 9 15/16

Aug                      6 14/16 X 10

Sep                      6 12/16 X 10

Oct                       6 14/16 X 9 15/16

Nov                      6 14/16 X 9 15/16

Dec                      6 14/16 X 9 15/16


*Won’t fit into a National Geographic slip case without bending the issue.


Anyone else have this problem?

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I have one June 1905  original copy in mint condition that measures 10X1/16 " tall by 6 14/16 " wide using a wooden ruler. I got a measurement of 10X 2/16" tall using a metal  tape measure. Did you try measuring using different rulers or measureing instruments ?  Now I'm confused !

Used the same wooden ruler for all - just to keep things consistent.

It was my finest June 1905 that wouldn't fit in the slip case that caused me to research this.

The variation surprised me, especially between the June issues.

Thanks for looking in to this!



My June 1905 issue is an original and, as best I can tell, it is 16 13/16" by 9 7/8".




I'm sure you meant the first measurement to read "6 13/16."

Your measurements are amazing when added to all that have been listed, i.e. a significant variance in one month's issue.

Thanks for taking the time to look!


Correct, Mel.

That was my typo.


Another variable for different size magazines might be paper shrinking and /or  expanding due to heat, humidity, and age. 1905 paper might not be as stable as "modern" paper.




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