CS Museum Catalog — items starting with H
Hard Sectored Disks
Sun, 2010-02-07 17:26 — walkerDonor: David Coahran
Box of 10 floppy disks. These disks are hard sectored which means that they have equally spaced holes on the disk at a common radius. These holes resulted in faster reading and writing time operations. Today, they do not work on most floppy…
Hayes SMARTMODEM 1200
Mon, 2010-02-08 11:11 — walkerDonor: Steve Cunningham
One of the first external modems, it was released in 1981. Smartmodem was the first modem that was able to exert complete control over a phone line. Hobbyists used this modem and cutting edge software to create the first bulletin board…
HAYES Transformer
Sun, 2010-02-21 17:39 — alabitolDonor: Anonymous
The HAYES transformer (Model 52-00005) has an input of 120VAC 60 HZ 14 VA and an AC power supply of 13.5 VAC 700MA and 9.5VA.
HEATHKIT A.C VOLTMETER
Sat, 2010-03-27 23:14 — alabitolDonor: Anonymous
This manual provides information on how to assemble and use the Heathkit A.C Voltmeter.
HEATHKIT Battery Eliminator
Sat, 2010-03-27 23:34 — alabitolDonor: Anonymous
The Heathkit Battery Eliminator Model BE-5, incorporates in its design a low-ripple filter section. This increases the usefulness of the unit in that it may now, along with its many other applications, be used in servicing Hybrid car radios and…
HEATHKIT Decade Condenser
Sat, 2010-03-27 23:16 — alabitolDonor: Anonymous
This manual provides information about constructing and using the Heathkit Model DC-1 Decade Condenser.
