TELE-TECH & - AmericanRadioHistory.Com

UNION
U
Miniature Relays
with the type of
mounting you need
Mountings are no problem when you
select UNION Miniature Relays. You
can choose from these eight standard
mountings, or, if necessary, special
adaptions can be made.
1. Plug -in mount
2. Single screw mount
3. Center of gravity flange mount
4. Double screw mount
5. Top flange mount
6. Clamp mount
7. Bottom flange mount
8. Flange mount
In addition to a wide variety of mountings,
UNION Relays are made with a
variety of other features such as-
Gold alloy or palladium contacts for unsurpassed
contact reliability.
Gold alloy contacts especially fitted for drycircuitry
use.
Coil resistances up to 10,000 ohms for a
wide variety of applications.
High vibration and shock resistance available
up to 2,000 cycles at 15 G's and shock
in excess of 50 G's.
High life expectancy. Tested through
1,000,000 operations.
DC or AC MODELS with identical quality.
Write for complete information, bulletin
1010.
1881 1956
OF EQUIPMENT AND 'SYSTEMS ENGINEERING
SIGNAL
DIVISION OF WESTINGHOUSE' AIR BRAKE COMPANY
PITTSBURGH I8, PENNSYLVANIA
TELE-TIPS
.11r11
HAPPIEST (HIC) STATION. Two
ingenious police radio operators
in Chicago made a 30 -ft. antenna
for their 700 -watter by soldering
together 77 beer cans. For an
insulator, they used a ginger -ale
bottle. (No standing waves, we
presume.)
THE RECORDING INDUSTRY is
already enjoying its greatest boom
ever, and they have hardly
scratched the surface. Of the 11
million owners of 3 -speed phonos
12.5% account for 87% of all
record purchases.
SIMPLE BUT EFFECTIVE approach
was taken by American
Air Filter Co. to explain the
economics of manufacturing to
their employees. Pocket -sized
"Diary" provides this breakdown
of a year's operation.
152 days' work to pay salaries,
commissions, benefits
127 days' work to pay for materials
42 days' work to pay for supplies,
services
24 days' work to pay for taxes
8 days' work to pay dividends
to the 2223 AAF stockholders
DEFINITION OF AUTOMATION,
offered by RETMA, goes: "Automation
is the technique of improving
human productivity in
the processing of materials,
energy and information by utilizing
various degrees, elements of
self -control and of automatically
executed product programming."
TOO MUCH TALK? Dr. William
L. Everitt demonstrated to the
NA.RTB Engineering Conference
that when the human voice is
tape recorded at its natural speed,
it can be shortened or condensed
by 20% without any noticeable
distortion. In fact, the message
can be condensed as much as 90%
and still make sense.
SILVER CONTACT STAINS that
might affect solderability can be
removed with a solution of 8%
thiourea in 5% hydrochloric acid.
(Continued on page 59)
56
For product information, use inquiry card on pages 209 -210. Tele -Tech
& ELECTRONIC INDUSTRIES June 1956