London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1950

[Report of the Medical Officer of Health for Port of London]

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the shelter deck by fabricated wooden gang-way entrance, is
situated abaft of the shelter decks Other spaces include forepeak
and storerooms, general amidships accommodation, engine room and
shaft alley, crew's quarters (aft) and afterpeak storeroom.
Compartments Permanent Harbourage
No. 1. Hold Covered Bilges, Raised Ceiling & Pipe Casings.
No. 2. " -do- -do- -do-
No. 3. " -do- -do- -do-
No. 4. " -do- -do- -do-
Shelter Deck Pipe Casings
Tonnage Space Nil
Forepeak Nil
Afterpeak Stores Nil
Coal Bunker Pipe Casings
E.R. & Shaft Alley Store Cupboards
Provision Rooms Bonded & Linen Lockers
DESCRIPTION: The vessel had been trading between Liverpool and Mediterranean
ports and had carried cargoes of peanuts, bales of rags &c. As
long as six months ago, mice had been detected in the holds. It
is generally acknowledged that mice* when established in such
permanent harbourage, are very difficult to destroy. In addition
to the permanent harbourage there was a considerable amount of
loosely stacked dunnage both in the holds and shelter deck, and
this naturally, impedes the recovery of the "kill". To assist in
the search for dead mice, bilges were opened up by the lifting
of one complete length of timber boarding and the large space
enclosed by wood in No. 4. hold res opened up for inspection. The
boarding of this space had just been renewed.
Temporary harbourage such as the customary ship's stores were stow
in the tonnage space and storerooms.
EVIDENCE : There was considerable evidence of mice only in the Holds and
Shelter Deck. The wooden partitions and ceiling boards showed
cuttings and runs. Excreta, old and fresh, was also found in
considerably quantity, e.g.
No.l. Hold Pronounced old and recent
No.2. " -do- -do-
No .3. " Moderate -do-
No.4. " Slight -do-
Shelter Deck Moderate -do-
Tonnage Space Slight -do-
Provision Room -do- -do-
TEST BAITING; None
POISON BAITS 162 Dishes each containing 10 Grams of soaked wheat and flooded
LAID: with 10 c.cs of "1080" liquid were laid for two nights.
CONCENTRATION: 0.25% Solution.
POISON TAKEN : Approximately 22 grams of wheat and 76 c.cs. of liquid.
DISPOSITION OF POISON
BAITS LAID AMD TAKEN:

DISPOSITION OF POISION BAITS LAID AND TAKEN:

Liquid & Soaked Wheat (Units)
CompartmentLaidTaken
No, 1 Hold3406 Gms. & 22 c.cs.
No. 2 "4404 ,, ,, 18 ,,
No. 3 "3402 ,, ,, 10 ,,
No. 4 "280- ,, ,, 6 ,,
Shelter Deck126010 ,, ,, 16 ,,
Bunkers160- -
Engine-room120- -

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