Here - Paperless Archives

- 61 -
, ,
APPEnDIX III-- a BaR E T
I N X
•
•
St . ~('4(...,I.?-I.) , Dur1n; the sabota'~e oourse at theDiltlENIZ
lJ~, the saboteur .. were given instruction 1n the use of "
secre~ 1nks. The8e were to be used tor eorresJlondence
between members of the grouJls t/Uh1n the USA and were not
intended for oorrespondence to Germany. Th6 instructor was
descr1bed 8S a Jlrotes"or but the. saboteurs do not seem to
hove takcn him 8eriau8ly~ descr1bing him 88 halt crasT_
They rather unreasonably l08t. ell interest in eecret writing
when told that. it could be eaoily revealed bT ch~cal inveet1gation.
,UUSOiP.toolt notee on the methode ot preJl8r1ng
these inkS but lost them with hie bther notea on the ' b~aoh
. ',' ".' I tI r \' ',',' •
Three t1»08 or ink were dooorlbod, eaoh or
which.PAaQH 8014 had Il oode name nnd one or Which he believed
waa caTIed"wOle " • Tho three Inka "ere: 1 \ " ;: ~"" ,f·Jl. )\ '
._ ~' .. '." .J.'" r,"n- .: "t~,,,,,
" I
ASP1RIN. ".!" l/3 or 1/6 ot a Baler ae:plr1ntn
tablet waB' to ,bo dissolved 01 thor 1n alcOhol, .water 'or another .:
Bubstanoe the name ot W'h1oh wae' forgotten, aooorcUng"to:.tho ~ ,
at Amagansett. " . _, I 'In i!'
.
•
I •
accounts ,or different aabotcura. This latter 8ubatance W.8 ::(.~. 'r ~' .
p1'lObably 8omo alooholio drink like gln. DA80H oa14 that. the ~ :t.,~!" :
as:pl;r,ln t)'po or ink WIIB ueed to writa 1tho 1UU1188 and addrtucal, :, j> ,
on tHo bandl:erohleta brought' b:r the leadore or ,th!t ~ twO j UO\lPlJt_ ,?:-, .-.. ;"
but ,other mClDbera or, tho "nedi tion stressed that --1 .. ";: ," .
\ 9r \Uk. ink was to be uaod : tor Jl'i"~tf~:I.';;. 'j ~
wr",Ung on oloth. lIn actual. riot the other mOPlbore" ot'ith' ..' 1
"11. .'~ ~ •
e~ed1Uoni enid tho rl1lte ink W88 to be uee4:t.tQr '. ~ '~" ':
wri ting on oloth. A. -- - jwu aotuall¥ uaedrto 1;:.,1;.:v J.1t~ I.'
wrIte on tho group l':HlQor.' nanC1lC.eroh1eto it i. ' e'Yldent l tha\ I.)"~"''':'l.!j r''
thU wae a m.Ut&ko.) : . ~'H', . 11:} lAo Ur\!li1(.1 ,1"~, 't' fl: I
•
, (.., "lo.Jll.tv ,,;,1$ou(',."" .. ~~A ~;
, EX-LAX. 1/2 or 1/3 ot a laxatiTot:piUitv' ..' tift I" -:, of
Ex-lax being 8:peolrloally mentioned, was to be dissolved in' ~i~",~1 '~~
Illaohol. Thie W8.fl 8 type at laxative whioh oontained ~-; ;~ .'
(probably D or eome BiRl1lar 8uhatanoo and ".8.8 .~ ~ f. '"
described by one 01' the eaboteura 08 turning ,loohol red, , '~~' j .
thouah another soi4 it turnsd alcohol blue. The saboteur. ,~-.
believed that thie ink could be dOTeloJled with 8 mixture Ot (~4 , I:;.,j
eigarette 8Bh and on unknown t'luid (Jlrobably alcohol), or f , '\_ -1ft:,
with water whioh had been tiltered t.hrough the cigarette ash: '·,; . ,f .t"
(Cigarette 8sh 18 a well-known develoJler tor ' ~
and here again it seems Jlrobable that the saboteurs became . "~. I -::,~ "
cOnf'used). Another member ot the greuJI said that. both th1s ' 4 w _';'j
ink and the aSJl1rin type cruld be develOJled by 8J1J1l1cat1on ot
~: •. ~
ammonis. This 1s incorreot as the asp1r1n type ot ink cannot ~
be develoJled by ammOnia, but can. I. '
VfA'l'ER ;. Jliece of peper was to be thoroughly
s*ed in a diSh &li or water; it was then to be removed b7
holding two ot the corners allowing the excess water to drainl
oft.4'- This Jliece of Jlaper was then laid nat on 8 g188S eur~ce
and a dry sheet wae pluced on t~ ot it. The mes8age was
written ,yUh a black pencil on the top sheet. with eut1"1oient.
Jlreeeure to indent the sheet underneath. The dry eheet. wea
then removed and the wet one lett on the glSBS surfece until it we8 ~'I
thoroughly dry, when the writing on 1 t WB8 1nvisible. To , ! ,. "
L
L
THIS IS A COpy
ORIGINAL DOCUMf'lT RETAINED
IN DEPAR"i"~' ""
lC(4) OF 1,£ PUBLIC R"CI ADS
r 1958 Or \- ~n lO
L
• EPu;:; .... :::
:sa