The New Erector Book A.C. Gilbert Co., 1938. This is the manual that came with the Erector set put out by the Gilbert Company. Loaded with all kinds of things you can make with the no. 1 1/2 Erector set. Numerous B&W and a few color illustrations of things they can build Erector was the Lego of its day. Powered by eCRATER . List your items fast and easy and manage your active items.