Alrighty there Russell & Mitch .... Here we go!
This griddle DOES appear in the 1939 Wagner Hotel Ware Catalog!
(This proves out HOW IMPORTANT the old Catalog Reprints are!)
"Cooking surface--- 20" wide by 30" long----ground smooth and bright.. 1/2" grease groove 1/4" deep surrounds entire cooking surface and drains grease into large grease receptacle at end----size 2 2/4" x 8" x 1/2" deep. Outer rim slightly higher than cooking surface so this can be kept submerged ingrease if desired. Convenient, cast handles. Bottom supported by 10 strong ribs cast into circle design to protect against warping or springing. Fits almost any size gas, coal or oil range.""
Polished Cast Iron
Catalog No. 1153
Size Including Handles: 21 x 34 in
Weight: 48 lbs.
Price: $11.95
Also Made in Cast Aluminum:
Catalog No. 1010
Weight: 16 lbs.
Price: $18.00
"ideal for Quantity Grilling of Steaks, Chops, Hamburg, Bacon, Baking of Griddle Cakes, Frying of Eggs, Sausage, Toasting of Bread"
Frying and Grilling Capacities:
45 Hamburgers
40 Pork Chops
75 Strips of Bacon
35 T-Bone Steaks
40 Griddle Cakes
75 Sausage Links.
This wondiferous catalog can be purchased here:
http://www.griswoldandwagner.com/store/agora.cgi?product=books