Evening star., 1937-07-27

Counting and measuring-Counting
automobiles. radios. refrigerators, etc. in
production line. traffic in tunnels, on
bridges, etc: people passing or entering
theaters, etc. animals, live stock, etc.
in stockyard pens, recording beats of
master clock. tabulating statistics, guam
titles, measuring lamp candepower.
astronomical measurements, color meas
urement, projectile velocities, calipering
steel balls, boiler-gage level alarms,
counting OF printed items on cards,
totalizing and analyzing. counting in
gress and egress Of honey bees from hive
Visual reproduction Fac-Simile"
transmission of photos. maps, neWspa-
pers, etc; enabling blind to read ordi-
nary print, photography Of wild-animal
life. automatic photographing Of sneak
thieves, burglars, etc.
Safety useS-Protection OF personnel
operating punch presses and other dan
gerous machines, protection of elevator
doors, preventing car from starting ln-
less all passengers are clear of Threshold; !
detection of icebergs, ships. etc. through
fog; safety doors in mines, remote con-
troll of dangerous processes, protection
OF jails. penitentiaries, etc; protection of
electrical machinery traffic signal oper-
alton, auto-speeding detectors. street.
lighting control, detection of dangerous
gases in tunnels, holdup protection,
banks, etc. CLOSING Of safety steel shut
ters), fire alarms, smoke alarms; safety
protection of oil burners.
Grading-Cigars, tile, beans, vege-
tables; detecting missing labels, inspect
ing tin plate, calipering small parts, color
comparison, adjusting auto headlights,
detecting flaws in products, sorting
checks and bills, matching false teeth.
Traf1c lications-Railroad signals
(European), street traffic lights, elevator
leveling, elevator door safety control
elevator safety stops, routing mail bags
and letters, counting street traffic, check
ing up bridge toll collections speeding
subway traffic. checking up theater pat
ronage, detecting dangerous gas in tun-
nels, lighting air beacons and airfields.
controlling wind indicators from pilot
vanes, detecting automobile speeding by
two photo-cells in roadway. horse -oper-
ated signals for bridlepaths. parking
lights on automobiles lighted at dusk,
head lamps dimmed at approach of an
other car, headroom alarms for tunnel
signs and displays controlled by traffic
light, swing bridge pin-lock safety in
dicator, identifying and recording
freight car numbers, checking auto
crankcase oil at service stations, adjust
ing illumination in vehicular tunnels,
calling gas station attendant when car
stops.
Printing, publishing, etc.-Automatic
machine setting OF type, from typewrit-
ten copy; automatic control Of accurate
trimming, accurate cut-of1s for labels,
bags, ETC.; automatic stops for presses,
preventing paper breaks; adjusting den-
sity Of printing, counting Of sheets and
forms in binderies, control of paper
thickness and moisture during manufac-
ture, matching the colors of inks and
papers, controlling uniformity Of color
during printing runs, providing perma-
nent unfading color records, measuring
glare and opacity Of paper, safety-first
devices around presses
Sound Observation-Disclosures re-
cording. sound-picture reproduction
nsht-beam Transmission, the talking