It is designed to run modern 700c rims. From searching the web, I believe it's a mid 1960's build.
VINTAGE BAYLISS WILEY No.1 BOTTOM BRACKET COTTERED AXLE 128mm
NOS Vintage adidas STI 1 Systeme 3 Cycling Shoes EDDY MERCKX 40 - 6 1/2
NOS Vintage adidas STI 1 Systeme 3 Cycling shoes EDDY MERCKX 37 1/3
Royal Baby Kids' Space No.1 Alloy Children Bike, Orange, 12-Inch
PAIR VINTAGE ROADSTER 26x1 1/2 (584) CHROME BIKE RIMS WESTRICK ROD OR CALIPER
NOS Vintage adidas STI 1 Systeme 3 Cycling Shoes EDDY MERCKX 40 2/3- 7
