The Manhattan Electrical Supply Co. was one of the largest electrical suppliers in the early 20th Century. In this MESCO catalog published around 1913, you will find everything from early electrical appliances, light bulbs, batteries, wireless apparatus (radio), telegraph equipment, early telephones, and much more. You can view their Catalog Number Twenty Six here on-line. The catalog is over two hundred pages and I've split it into several files by page numbers. You can use the index below to locate an item's page number and then select the section by page range. The Manhattan Electrical Supply Co. was located on New York City's Radio Row.