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Unlike some other reproductions of classic texts (1) We have not
used OCR(Optical Character Recognition), as this leads to bad
quality books with introduced typos. (2) In books where there are
images such as portraits, maps, sketches etc We have endeavoured to
keep the quality of these images, so they represent accurately the
original artefact. Although occasionally there may be certain
imperfections with these old texts, we feel they deserve to be made
available for future generations to enjoy.
Unlike some other reproductions of classic texts (1) We have not
used OCR(Optical Character Recognition), as this leads to bad
quality books with introduced typos. (2) In books where there are
images such as portraits, maps, sketches etc We have endeavoured to
keep the quality of these images, so they represent accurately the
original artefact. Although occasionally there may be certain
imperfections with these old texts, we feel they deserve to be made
available for future generations to enjoy.
Unlike some other reproductions of classic texts (1) We have not
used OCR(Optical Character Recognition), as this leads to bad
quality books with introduced typos. (2) In books where there are
images such as portraits, maps, sketches etc We have endeavoured to
keep the quality of these images, so they represent accurately the
original artefact. Although occasionally there may be certain
imperfections with these old texts, we feel they deserve to be made
available for future generations to enjoy.
The difficulties associated with making risk assessments on the
basis of experimental results are familiar to practitioners in many
fields engineering, epidemiology, chemistry, etc. These
difficulties are particularly common in problems that have dynamic
and stochastic characteristics driven by multiple purposes and
goals, with complex interconnections and inter dependencies.
Acquiring an appropriate data base, processing and analyzing model
results, and transmitting these results at an appropriate
technical, social, political, and institutional level are
additional difficulties that must be addressed. This book is
grounded on the premise that risks are best assessed on the basis
of experimental results and sound mathematical analyses, coupled
with the knowledge of experts. The carcinogenicity prediction and
battery selection (ePBS) approach described herein provides a
systematic mechan ism-a synthesis of systems and statistical and
decision analyses-to aid researchers and decision makers in the
critical field of carcinogenicity prediction in selecting an
appropriate battery of tests to use and in translating experimental
results into information that can be used as an aid to decision
making."
A quiet market town with no military presence was chosen as the
secret communications centre for Britain as the country prepared
for war with Germany in 1937. When hostilities began, 'Q Central'
attracted a dozen other clandestine operations set up to defend the
country or designed to confuse and undermine enemy morale. The
headquarters of radar, RAF Group 60, also came to Leighton Buzzard
to be hidden from German attack and to be close to the telephone
and radio communications needed to run its vast chain of radar
stations. These directed the defending fighters that saved the
country in the Battle of Britain and then took the bombing war to
Germany. Close by, for the same reasons of secrecy and safety, were
the satellite stations of Bletchley Park, the now famous
code-breaking centre; the Met Office at Dunstable, which gave the
all clear for the D-Day landings; Black Ops units that set up false
radio stations and wrote propaganda to confuse the enemy; and
airfields used for dropping agents behind enemy lines. At Q Central
itself was the largest telephone exchange in the world, with more
than 1,000 teleprinters communicating with all the armed services
in every theatre of war and directing the operations of the secret
services. Now the restrictions of the Official Secrets Act have
been lifted, enabling eight members of the Leighton Buzzard and
District Archaeology and History Society to piece together this
compelling story for the first time.
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