The smaller letters are 50 feet (15 m) high and 5 feet (1.5 m) wide.About 1,400 electric lights are used for the illumination.
Butterick's frustration with contemporary sewing patterns offered in only one size (frequently a different size for each pattern).
It practically requires all the time of the one man to watch the sign and replace burned out lights." Facsimile of the pattern pieces for Butterick pattern #5688 (a skirt for an evening dress), circa 1919. are indicated by perforations of different sizes and patterns (here represented as dots).
The process that the Buttericks eventually settled on called for the corrected, graded master patterns to be made into thin cardboard templates.
Both magazines offered fashion news and advice, as well as mail order services for Butterick's designs. On June 30, 1907, the New York Times published a story concerning the electric sign on the western side of the Butterick Building: "[T]he Butterick Company has been moved to announce that the sign really is the largest in the world and to give some interesting facts about it.
The initial B is 68 feet (21 m) high, about the height of an ordinary five-story building.
, published a list of all the patterns featured that month's issue.