Every evening, Wilmington daily commercial. (Wilmington, Del.) 1878-1928, 1922-07-18
NEW FAST ACTION CAMERA
BY Frederic ]. Hask'n.

Washington. July 1ss-How a big
shell crawisi into the arrnor plate Of
bnttieship. and how golf club hits
a ball arc two long standing mysteries
that arc mysteries no longer.
Tho newr at ultra-rapid camera.
analyzeg tho high fpeed motion Of the
shell as thossyh it were moving at a
snnIl's pace. 70 tho eye tho shell.
travelling at 1iorhaps $500 feet a snc-
ond, seems to .orosh into the target al
mort instanta ncous1y after II is fired.
Tho high spsed camera shows II
creeping with n rotary motion down
to the arrnor uslate, wrigsling i's way
into tho steel and sending bits Of
wreckaSe npati ing slowly into the air
The golf clut, shaft r. shown by the
camera actuaIii TO bend forward ga Il
strikea the bali. That the stick did
this war suspa rted by sorne players
but there waspuo sv'ay OF proving th'
lpoint.
The camera sh pws that as the club Il
brought down az tho ball the force o.
the drive benda' the shaft forward
'rhe head Of the,uiub Lays behind from
the force Of the tstroke. But At tho IN
slant tho clubhapd contacts with m
ball the bend in the shaft In reversed
IThe greater tho power back OF IN
stroke the great tr' the bend in tn
lshaft.
Motions aa RAPID ~ these hav
hitherto been bidfen even from tn
auicl, eyes OF thesurual high speed mo
ton picture car beras. win thes'
catching 10000 "a ctures a minute tn
shell would burst moro slowly ina
normally, but ntt. slowly enough
show SIS exact action.
The now camel Is the invention
IC. Francis JenkA1 IL Of this city. III
machine takes 100. 200 pictures mir
uto. This 500 III nes the speed OF
normal speed mott bn picture Gamer
A motion which Is performed in ~
b second can by Jep isinis invention
spread out over 300 seconds whe
turned into film and sh0wn on a scree
B. The race horse nat you occasion
J ally ace floating ard'bnd track in "
? movie plctorials cas he uIsde 70 70
] one-tenth that spea 4 by Mr.. Jenkir
. The cameras IN com tnercial uFe. boS
ever. are swift enc Ugh for this so
4 OF thing. ho says. IBIS machine 70
? after moro elusive ,taSbjccts. with fae
I. er or more compile ated action.
Invented Thirty Years Ago.
Tho principle ofy this camera "
. Invented by Mr.. Jed ,lSfns 40 years af
q bat It was only last year that he d
veloped u to take IA IGN speed movi
g since then he has m ede a number
% pictures for tho ARM hand Navy. No
3 has been publicly silpvn.
Besides wanting m answer 20 :
ie question % how ssb elf strikes b
l. tleship. the Navy ~ ked Mr.. Jenki
70 grind out an andy. ~ Of sra pia
Z taking of through goft~ water. The
ventOr had 20 film lItbe four or 4
, times before Gamer a, and plane I
- into action together rho whole sce
Il had 10 10 filmed in fs'ur seconds. II
., was moro than suffts lent time FiT
q 400 Feet N film couid' tho recorded
n four seconds. 1t event "a lowed "a ma
10 gin Of 100 feet Of film, esch side OF
r action because The RI sh Of the pls
Of would OH only 200. TA., only PROFIT
N was 20 start the carnrss 30 that I
Il plane would dash esi:t within
ce length Of the film II, ua~ a ditto
assignment, but lfr. Jenkins filled
High speed pictur es Of airpls
fights showed tina. M one had -
been able 20 sse-~ths, bending =
'e uarping Of the propssle r Under gr
az powers Of the engine. This has h
IN shown in detail by the rhIsTss and stI
s. OF the condition Will prooably lead
the production OF stunger, stf
blades
The Navy also had pia t-1r-s rnads
several pigeons being ~ eassd fror
basket at the start Of ~ race.
point in question WIS whether
pigeons bumped into onet another
we're hlndered at the sta 70 when
leased simultaneously fra n one
ket. This picture showed that
pigens did interfere.
By chance facts that pigeon