The Sargent Welch Scientific Company of Skokie, Illinois has been producing (for a very long time) those great old science charts that many of you may remember from the school rooms of your past.

This Guinea Pig (captioned in Latin) comes from a strikingly beautiful black & white chart entitled "Genetics," which documents all of the things that can happen re the offspring when a "Rough Black" Guinea Pig does what comes naturally with a "Smooth White."

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Regular fit
Crew neck
Mid weight, 180 GSM, 28-singles
100% combed cotton (marles 15% polyester)
Neck ribbing, side seamed, shoulder to shoulder tape, double needle hems, preshrunk to minimise shrinkage

Size	Body Width (cm)	Body Length (cm)
XSM	45.5	63.5
SML	48	64.5
MED	50.5	65.5
LGE	53	66.5
XL	55.5	67.5
2XL	58	68.5

 

How to Measure:

Lay an existing t-shirt flat.

Body Width: Measure 3cm below armpit, from one side to the other.

Body Length: Measure from the top of the shoulder to the bottom of the t-shirt.