The Death Of Another Medium
Next up on the scrapheap, the blackboard. Or at least the blackboard/chalk combination used by mathematicians around the world. There’s one supply of their favourite chalk, and once it’s gone it’s gone. When the elderly owner of Hagoromo Bungu gave up his company in March, the technology for making Hagoromo chalk was transferred to Uma-jirushi, a big office supply corporation. Uma-jirushi now makes DC Chalk Deluxe, which it bills as a collaboration with Hagoromo. A company rep said the manufacturing process is slightly different, but assured me that customers should expect the same high quality. Still, the rep added, Uma-jirushi’s chalk production
