and likely the information obtained in this study is ference, which was found to vary from 25.0 rnrn to _
common knowledge in the industry, no attempt will be 26.5 mm. A difference in circumference of 0.5 mm will ef
rnadc to identif com Janies or brands in re nortin the result in a change in the cross-sectional area of a J-
results. proxirnately 3.8 percent. The change in the diameter _, V
S f h S d is believed to be one of the reasons why the 1957 &.~
c°pe ° lf G tu Y weights tended to be less than those observed in 1956
lf 1 ;· ·»··x r r :-*4 `· r . . ~ . "\.
(·lgaY€tt€$ fvem Pl"‘-11*** fl On tllf 01)*** Illdllwf lmm for an equivalent kind of cigarette based on the length 5 l
chain stores, super-markets or from similar sources Oy tobacco Cohunu (Fig. gy vyeights dcsigmlwd ljv ’
where rapid turnover of stocks could be anticipated. uh hstcrisk “,&,l.C of Cigm.Gtt&,S whmihhlg H high pm,
lrritial prrrchases of cigarettes were made from eight Cohmgt, Og wchhstituted mhhcca
l>c· t`on.· 'r Ohio Kentuck and Tennessee in \#f·r i 7 . . . . ., . .
( ‘l_l " H ‘ y’ ‘ _ _ A Q2 In considering changes m srze, rt rs believed that —
1956. Those made between luly 1906 and April 1901 _ . _ . . .
· _ _ comparison should be made with the traditional -
were from or near Ithaca, N. Y., Lhrcago, Ill., New \ )_. I _. I _) A 1 _ _A H 1 _A 11 _ _. X A Fw ,
O I L K Ct K D _S CIM ml .~ mtrrcan crgarette,t1e so-ca et regu ar size ( , rg.
·c"ms ·. *rns·rs 1 ans. avis · r. · t . . . . .. V .
I _‘ ’ A ’ ° ° yf ‘ _’ ‘ ’ ° ’ _` 2) wlnch is 70 mm long and had, rn the rnrtral stages *·
Lexington, Ky. After April 1951 all were obtained » ._ _ ._ — _ -0 .. _ i
. _ _ of tlns study, a circumference of ..6.5 mm. The first ·A
from the Lexington market. Most purchases consisted . _ _ _ . ~ _
. _ _ . _ rnaior change was the production of the so-called \ _
of cartons of the principal brands of cigarettes manu- _. . _ . _ . 9 ._ . .
_ _ _ _— _ king-size, no filter, cigarette (D, Frg. -). This C1g— V
factured by six maior cigarette companies. During the L t
latter part of the study, however, individual packages fC0”ii*w€d 0** PUSH 5) TMP
instead of cartons were bought. In addition to the ;··
domestic cirarettes some foreirn brands were ex- ‘ Ovgamy WE[GH'
, Bf > L , -ll-OBACCO l;l FILTER tgrnms) I ’ A V
arnrned. These were usually obtarrred as single packs ,,56 ,,57 5
from visitors to the laboratory. A Om ,_' ·’ ·
ln the laboratory the cartons or packages were as- °·°2‘ oiase
signed laboratory numbers and the size and weight of B 9*
. . 0.794 - - -
tlre cigarettes, the tobacco, the paper, and the filter l
were determined. The tobacco in individual cigarettes C
_ , . , . was 0.065 *4;
was then separated vrsrrally rrrto the following frac- .
tions; (1) stern, reconstituted tobacco. (S) Turk- D _
. rosa 1.039 M
rslr tobacco, (4) flue-cured tobacco. and burlcy y
tobacco. Separated fractions were checked for accu- E 0955
racy under a microscope (Fig. 1) and the individual `--
fractions were then weighed to determine the percent- F 0928 oass
age composition of the cigarette. The accuracy of the
separation was tested by separating l sl · 1* r. 2 ·> ll - -‘ ‘ ‘
( N H ( lf llf` infill lll lh 'U uf rlre beginning of rlre study (May 1956) and the end (De-
lrave been nrade on tlre basis of drllerence rn errcrnn— (—cmi,(.,- rggyy