In 1974, Spectra-Physics (now Datalogic Scanning) built the first commercial barcode scanner which included a helium-neon laser, 52 mirrors and weighed 112 lbs. (50.8 kg).
The evolution of Laser Scanning Barcodes over three decades created a ubiquitous tracking tool used everywhere from hospitals to department stores. (Photo: iStock.com/imagestock)
(Courtesy of iStock.com/imagestock)