The Hawaiian gazette. [volume] (Honolulu [Oahu, Hawaii]) 1865-1918, 1877-02-28
INC Rl.e Gins. Deception.

The Blue Glass Deception.
In our last Issue we reviewed the alleged capa-
bili;es Of sunlight filtered through blue glass, in
causing plants to grow, etc; and BY reference to
numerous experiments we reached the conclu-
sion that the light transmitted through the
violet-blue glass is nothing more than normal
sunlight diminished in intensity. We propose
10 the following 10 finish our discussion by ex-
amining into the effects of light and darkness
upon organisms Aud we may especially here
recall the fact that General Peasonton claims
that not only does the blue light stimulate
growth but that II rs positive remedial agent
for such severe ailments as spinal meningitis,
nervous irritation and exhaustion. rheumatism,
hemorrhage OF the lungs, deafness, partial paray.
els. shock due to severe confusion, aud Others,
of all Of which he cites cases.
The theory that various colored lights exercise
different effects on the human system is an old
one. In 1881, DIR. Newbery of this city asserted
that yellow light stimulates the nervous, pink
the nutritive, and blue the locomotive tempera-
ment; and recently DIR. PoDza, an Italian ply
sician has asserted that lunatics are greatly
affected by being placed in different colosed
rooms. Red light, he says, removes feelings OF
depression, blue induces calmnsss, and by violet
light crazy perseu was n one day cured.
1t Is a thoroughly demonstrated fact that light
is an important vital stimulant; aud that, il its
operation be excluded the development o. the
healthy bodily structure is arrested. Naturaists
tell US that in tho absence OF light the transfer.
nation OF a tadpoe into frog IS stopped, and
the reptile remains II tadpole. Plants In dark
ness become blanched and stunted IN growth;
the process of mixiog the carbon IA their tissues
is arrested, modification of the colorng prInc-
ple takes place. and they appear white instead
i Il =
light are especially observable among those who
live in crowded alleys or cellars or who work in
mines. where the light of the sun seldom or
never penetrales. The total exclusion Of the
SIMS beams produces an IMPOVERISHED aud dis.
ordered state of the blood emaciation, muscu-
lar debility, and the diseases due to imperfect
nutrition.
On the other hand. it is known that for GER
tain purposes darkness or shaded light is advan-
tageous to the bodily condition. Fowls, for
instance, may fatten much more rapidly in the
dark, and it would seem that the absence of
light exercises a yery great influence over tho
power possessed by food in increasing the size Of
animals. 1t likewise seems TO exercise sooth-
ing and quieting influence, increasing the dispo-
sltiop of animals to take rest, making less food
necessary. and causing them TO store up more
nutriment in the form of fat and muscle Now,
if the organism to be treated is subjected to
the light, all of which il filtered through blue
violet glass, then, as we have previously demon.
strated il is in lipht which is considerably shad
cd And verv nrohablv 10 his cause-and not
nj olI 10 The ne,pior bue of the Iioht-is TO be-
ottrihnted The onie,;ng Influenza ON neryous and
insane neonle which Dr.. Ponza has remarked.
Rnt General Plensontun does not nse blue-
violet GLASS alone On The contrary he emnIovs
n continuation nj blne liobt and nure suno6t.
Tho Latter verv mncb nrenonderntino In bis
graperv for EXAMPLE only every eighth row of
names ia blue. The mingled light consequently ia
merely nure SUNLIGHT yerv slightly shaded and
| the animal or nlnnt axnosed simnIv takes n SIM
ho,bw,ho soI,r;,,,,, NJ Tho an.;an,s who trow
inc The yiyifyinq influence Of the suube.ms. had
terraces bn;It on the ions of their bouses so that
,bav ,niob, bask in Them This snn treatment
= nom Sroouon,ln racommanJaa hv nhysician ma
sor no,,ons d,saass, H. Uammond in one IF
h,s Iac,nras sars :. In cnny,iascance from slmost
ali diseases !, oct, mnlsss zoo ;n,ansa or IN,
Iaor con,in,oJ os most bsoI,hfnI s,imnlont
ho,6 ~ Tho nsryons and nbvs;cai svs,ems y
Tho del,rium and weak mess nv No means Seldom
met with in convalescpnts kan, in darkness dis-
annear Tke magic when the rnvs of the snn nre