This 'Dayton Scale' was used in a grocery shop in Moorabbin Shire in 20thC to measure grain, sugar, fruit, vegetables, lollies, etc as required by the shopkeeper for the purchase by customers. The Dayton Scale Company, originally known as the Computing Scale Company, built and marketed the first computing scale in 1891. It was part of the Computing-Tabulating-Recording Company formed in 1911, and became an IBM division in 1933. The Dayton Scale Division was eventually sold to the Hobart Manufacturing Company when IBM decided to stop marketing scales to retail stores. The Computing Scale Company of Dayton was operated from 1891-1914 by two businessmen from Dayton, Ohio who purchased patents on the recently invented computing scale. It was merged with other companies to become the forerunner company for IBM. On July 20 1897 Mr CC Hobart & Herbert L. Johnson formed the Hobart Electrical Manufacturing Company in Troy, Ohio USA. 1915 Hobart continues its growth into the World market, opening a sales office in Australia. Dayton grocery scales, capacity 2 pounds, Imperial Measure. It is made from white painted steel with a large metal scoop that sits on 2 steel rods attached to a balance beam connected to a recording mechanism that displays the ‘weight’ in a glass framed gauge. In window of glass framed gauge ; DAYTON SCALE CO. / OHIO USA ; Computed from 0 – 2LB in 1oz sections weights, measures, shops, scales. balances, grocery stores, early settlers, moorabbin, bentleigh, cheltenham, dayton scales company, ibm pty ltd., hobarrt electrical manufacturing company, hobart c.c., johnson herbert l, computing scale company ohio

The Eureka A4 was a Melbourne invention, designed to capitalise on the growth of IBM PCs. It attached to the PC and allowed blind and vision impaired people to utilise screen orientated programs. The Royal Victorian Institute for the Blind supported the project and in this image, David Blyth and the managing director of Robotron Milan Hudecek, pose for a publicity shot at the launch of the Eureka A4 Notetaker in July 1997. Black and white photograph of two men at the Eureka A4 computer standDavid Blyth, Director of Community Services at the Royal Victorian Institute for the Blind, carrying a Eureka A4, while Milan Hudecek, Managing Director of Robotron Pty Ltd looks on.royal victorian institute for the blind, braille equipment, david blyth, milan hudecek