retrospect, it’s hard not to glance from the Apple Newton to early Palm models and think, “Huh, that sure looks similar.” The Palm Pilot launched in 1996, three years after the Newton arrived. Both were personal digital assistants with touch screens and...

• -Buzz Kill

PCs. Ancestral portrait gallery: lined up in the offices of the Penplan company is the complete history of stylus-controlled products. Included are Newton, Apple's PDA pioneer, and several Palm Pilots. Using the PC hardware outside and on construction sites...

computer form factor has been in continual flux. Here is a selective list of the products we've seen, some of which just got here, others of which have hung around for a while and some of which have left us forever. Apple Newton Palm PDA Microsoft's Windows...

Match plates are set on the corrector so the technician can determine how to lap. This repeated sequence is then: Figure Check figurewith match plate, looking at Newton rings. The plate and blank are sealed together and inspected. This is a basic interferometry...