NoVemlek 13, 1914.

THE COLLIERY GUARDIAN.

1021

carrying spring contacts, forming a flametight connec-
tion with the case, and secured thereto by

(4)	A lead rivet lock of the type shown in fig. 3.

(5)	The cover carries a hollow aluminium cylinder
with a flanged base, by which the cylinder is secured to
the cover, the cylinder forming a flametight joint with
the cover by means of steel screwed pins riveted on the
inside of the cover, as shown in fig. 3. The cylinder
contains an electrical device* * * § ** * * §§ * constructed for the pur-
pose of indicating the presence of firedamp. Com-
munication with the outside atmosphere is made
through an opening covered by double securely fixed
gauzes of not less than 28 S.W.G. steel or copper wire,
784 meshes to the sq. in. The cylinder is provided
with an aluminium top plate, which carries the bulb
and a conical reflector, and forms a seating for the
protecting glass. The base of the flanged cylinder
carries four or more steel or iron pillars, which support
the aluminium crown as shown in fig. 3. An aluminium
plate carrying a conical reflector is screwed into the
crown, and is firmly secured thereto by a set screw
locked by a soldered steel wire.

(6)	A stout protecting glass held in position between
the top plate of the cylinder and the crown, and form-
ing flametight connections thereto by washers of
asbestos or other suitable material.

(7)	A flametight screw switch operating the lamp,
and a flametight spring switch operating the gas
indicating device, both situated in the aluminium
cylinder, and of the types shown in fig. 3.

It is provided that the total weight of the lamp shall
not be more than 81b.

The lamp is made at the works of Messrs. Manley
and Sandy Limited, Letchworth, Herts.

III.—Electric Safety Lamp for Use by Officials, or for
Special Purposes Only.

The Bristol Safety Lamp, Type B.R. 4 V.

The Bristol Safety .Lamp, Type B.R. 4V., the
general design of which is shown in fig. 4, is of the
bull’s-eye type. It is a modification of the Bristol
Safety Lamp, Type B.T. 4 V., and the description of
the Type B.R. 4 V. Lamp is the same as that of the
B.T. 4 V Lamp, with the following variations :—

(1)	The bezel carrying the incandescent bulb,
reflector, and protecting glass is secured to the front of
the case instead of to the cover.

Fig. 4.—Bristol Safety Lamp.

Type B.R.4V.

(2)	The glass retaining ring is locked to the bezel by
means of a pin which engages a hole in the boss carry -
the screw bolt.

It is provided that the total weight of the lamp shall
not be more than 4| lb.

The lamp is made at the Bristol Electric Safety Lamp
Works, at 40, Great Smith-street, Westminster; it is to
be used only for work of rescue or exploration in case
of accident or other emergency, or by officials.

IY.—Amendments to Previous Schedules.

1.	In the description of the Hailwood Lamps No. 01
and No. 01.Sf. the following provision shall be added
at the end of paragraph (6) :—

“ The oil vessel may be fitted with the ‘ Garforth
Detector,’ consisting of a brass tube of about |in.
internal diameter passing from the bottom to the top of
the oil vessel, and firmly soldered or brazed to it. The
lower mouth of the tube is of increased diameter to
receive the nozzle of the ‘ Gas collecting bulb ’ used in
connection with the detector. A gauze disc, held in
position by a screw collar, secured by soldering, is
situated at about |in. from the bottom of the tube, and
a second piece of gauze is firmly fixed in a position
near the top of the tube, thus forming a flametight
communication between the outside and the inside of
the lamp. The gauze is of copper, steel, or best char-
coal annealed iron wire of not less than 28 S.W.G. and
784 meshes to the sq. in.”

* The lamp has passed the official tests with the electrical
gas indicating device embodied in its construction, but the
device itself does not require the approval of the Secretary
of State, and its efficiency as a means of indicating gas has
not been tested.

t See Colliery Guardian, September 12, 1913, p. 524.

2.	In the description of Best’s “ Excelsior ” Lamp
No. 1* the words “ washers of asbestos or other suit-
able material ” shall be substituted for the words
” asbestos washers ” in paragraph (4).

3.	In the descriptions of the Cremer Marsaut Lamp,
No. 12f, and the Patterson Lamp, No. 12J, the follow-
ing proviso shall be added at the end of paragraph (3)
in each case :—

“ Provided that the lamp may be fitted with a
Mueseler chimney and a horizontal gauze in the place
of the inner gauze, the horizontal gauze forming a
flametight connection with the Mueseler chimney, and
the dimensions of the latter being as follows :—

Length of chimney above horizontal gauze not less than 3| in.
Length of chimney below horizontal gauze not less than | in.
Diameter at top not greater than ................ f in.

Diameter at bottom not greater than .......‘..... 1| in.

4.	In the description of the No. 1 and No. 2 Lamps§
manufactured by Messrs. John Davis and Son (Derby)
Limited, the following proviso shall be added at the
end of paragraph (4) :—

” Provided that the lamps may also be made to take
a glass of the following dimensions :—

External diameter .... 59 mm. J

Height............... 66^ mm. ± I mm.

Size mark ........... 59-66<i	or S1VAD 11."

5.	In the description!! of the Davis-Gry Lamp,
“70m.m.” shall be substituted for “75m.m.” in
paragraph (4) (axial height of glass).

6.	In the description^ of the “ Bifold Burner
Marsaut,” the Marsaut “A” and the Marsaut “ C ”
lamps manufactured by Mr. J. H. Naylor, Wigan :—

(a) In paragraph (3) the following alternative internal
dimensions of the inner gauze shall be inserted :—

Height from shoulder of base ring	3| in.	±	|	in.

Diameter at top................. 1| in.	±	in.

Diameter at bottom.............. If in.	±	in.

and it is provided that the gauze ring may	be	furnished

with a strengthening groove round the centre of the
horizontal flange.

(5) Paragraph (7) shall be amended to read as follows :

(7) Locking Device.—One or other of the following :—
(i) A lead rivet lock with a hasp or lug securely fastened
to the bottom ring by a sliding band or otherwise, or
to a pillar; and a staple or lug securely soldered to the
oil vessel, (ii.) A magnetic lock so constructed that the
bolt can be withdrawn only by a powerful electro-
magnet. (iii.) A lead rivet lock with a hasp securely
fastened to the bottom ring by a sliding band; and a
brass lug fitted to take a dove-tailed groove in the oil
vessel, secured thereto by screws, and furnished or not
with a bottom flange as shown in the following draw-
ings, fig. 5 :—

Plan of Tor

Section of Lamp Bottom.

-Plan—Bottom

Fig. 5.—Details of Lead-rivet Lock.
(J. H. Rothwell and Company.)

7 and 8. An addition is made to the descriptions** of
Messrs. J. H. Rothwell and Company’s lamps A and C,
allowing the use of a magnetic lock of the type shown in
fig- 1-

9 and 10. An addition is made to the descriptionsf f
of Teale’s “ Protector ” Lamps No. 1 and No. 2 and
Standard Bonnetted Marsaut Lamp No. 4, allowing the
use of a magnetic lock of the type shown in fig. 1.

11.	Paragraphs (1) and (2) of the description of
Messrs. W. E. Teale and Company’s Standard Bonnetted
Marsaut Lamp No. 4|| is ammended to read as follows :

(1)	The Bonnet may be of aluminium or brass, and
may be provided with three channels with openings at
the top, each not more than 0-30 sq. in. in area, for the
admission of air, as shown in fig. 5 in the Safety Lamps
Order of October 7, 1914.

(2)	The Middle Ring, Bottom Ring, Glass Retaining
Ring, and Oil Vessel may be of aluminium. The
Middle Ring may be provided with a brass or aluminium
shut-off ring and with horizontal air inlet holes of total
area not exceeding 0-5sq.in. : the gauzes being pro-
tected from a direct horizontal current by a flange of
the outer gauze ring.

12.	The description §§ of Teale ’s Protector Lamps
No. 1 A and No. 2 A is amended to read as follows :—
These lamps are modifications of Teale’s Protector

*	See Colliery Guardian, September 12, 1913, p. 525.

t See Colliery Guardian, May 1, 1914, p. 968.

*	See Colliery Guardian, May 1, 1914, p. 969.

§ See Colliery Guardian, Sept-ember 12, 1913, p. 525.

|| See Colliery Guardian, May 15, 1914, p. 1069.

If See Colliery Guardian, September 26, 1913, p. 643.

** See Colliery Guardian, October 10, 1913, p. 737.

tt See Colliery Guardian, October 17, 1913, p. 802.

!* See Colliery Guardian, October 31, 1913, p. 905.

§§ See Colliery Guardian, May 15, 1914, p. 1069.

Lamp No. 1 and Teale’s Protector Lamp No. 2 respec-
tively, and the descriptions of the No. 1A and No. 2 A
lamps are the same as those of the No. 1 and No. 2*
lamps respectively, with the following variations :—

(1)	The Crown and Bonnet may be of aluminium or
brass. The bonnet may be provided with three channels
with openings at the top, each not more than 0-30 sq. in.
in area, for the admission of air air, as shown in fig. 1.

(2)	The Middle Ring, Bottom Ring, Glass Retaining
Ring, and Oil Vessel may be of aluminium; and the
middle ring may be provided with a brass or aluminium
shut-off ring and with horizontal air inlet holes of total
area not exceeding 0-5 sq. in.; the gauzes being pro-
tected from a direct horizontal current by a flange of
the outer gauze ring.

(3)	The Gauzes may be of copper in the case of
lamps used for surveying purposes.

The lamps are to be used by officials only.

13.	In the description of the Cambrian Lamps No. 1
and No. 3,f “ 1-0 sq. in.” and “l-6sq. in. ” shall be
substituted for “0-6sq.in.” and ”0-7sq.in.” respec-
tively in paragraph (2).

14.	Brand :—

In the description^ of the glasses bearing the above
duly registered trade mark, it is provided that the lamps
may be made in conical sizes of one or other of the
following dimensions :—“ (i.) External diameter at top
38 mm., external diameter at bottom 55 mm., axial
height 70 mm., and (ii.) external diameter at top
51mm., external diameter at bottom 53 mm., axial
height 94 mm.; the thickness in each case being not
more than 6 mm., nor less than 4 mm.”

TRADE AND THE WAR.

Notice to Importers and Exporters — Payment of Patent
Fees—Trading with the Enemy : Heavy Penalties at
Edinburgh and Newcastle: “ What is a Branch?'"—
South Yorkshire and the Dye Industry—Coal Shipments
from the Tyne—Turkey's Coal Supplies.

A notice to importers and exporters appears in the
London Gazette directing their attention to the provisions
of the Proclamation dated September 9, relating to trading
with the enemy. With a view to preventing breaches of
this Proclamation it is now notified that the Commissioners
of His Majesty's Customs and Excise hax e been authorised
by His Majesty's Government to require certificates of
origin or declarations of ultimate destination respectively
to be presented in respect of all goods, wares, or merchandise
imported into, or exported from the United Kingdom in
trade with any foreign place in Europe or on the
Mediterranean or Black Seas, with the exception of those
situated in Russia, Belgium, France, Spain and Portugal.
Declarations of ultimate destination will consequently be
required until further notice in respect of all exports,
without regard to value of consignments, to all the foreign
places referred to above. For the present, however,
certificates of origin will not be required in respect of
imports of foodstuffs, of timber of any kind (including pit
props), strawboard, wood-pulp, iron ore, granite, ice, tar, or
carbide of calcium, or in respect of any imports from places
other than those situated in Norway, Sweden, Denmark,
Holland, Switzerland, and Italy, or in respect of individual
consignments not exceeding <£25 in value. Any goods,
wares, or merchandise imported from the above mentioned
foreign places, except as provided above, unaccompanied by
certificates of origin will be detained by the Commissioners
of Customs and Excise until the requisite certificates are
produced. The Commissioners are, however, authorised in
such cases, and at their discretion, to allow delivery of the
goods on the security of a deposit or of a bond to the
amount of three times the value of the goods, with a view
to the production of the necessary certificates within a
prescribed period, provided that they see no reason for
suspecting that the goods emanate from an enemy country.
Goods, wares, or merchandise sought to be exported to any
foreign places in Europe or on the Mediterranean or Black
Seas, with the exception of those situated in Russia,
Belgium, France, Spain, and Portugal will not be allowed
to be shipped until declarations of ultimate destination in
the form prescribed have been lodged with the proper
Customs, authority. A single declaration of ultimate
destination may be used to cover any number of consign-
ments by the same exporter from the same port by the same
ship at the same time. Declarations of ultimate destination
must be made by the actual exporter or by some responsible
representative of the actual exporter (or in the case of a
limited company by a director, secretary, manager, or other
responsible officer) having a personal and first-hand
knowledge of the enquiries made and of the facts stated in
the declaration. Carrying agents are not regarded as
competent to make the declaration. The following goods
will be exempt from these requirements:—(a) Goods
imported under licence; (6) goods shipped for the United
Kingdom on or before November 19 and hitherto exempted;
(c) goods in respect of which Customs export entries have
been accepted before the publication of the notice.

Attention is called to the Proclamation under section 8
of the Customs and Inland Revenue Act, 1879, the
Exportation of Arms Act, 1900, and the Customs (Exporta-
tion Prohibition) Act, 1914, which appears as a supplement
to the London Gazette. This Proclamation consolidates and
supersedes all previous Proclamations or Orders of Council
under these enactments. In the main the list of articles,
the export of which is wholly or partially prohibited, is
identical with that resulting from previous Proclamations
and orders, but a few minor additions have been made, and
some articles have been removed from the list.

* See Colliery Guardian, October 17, 1913, p. 802.

+ See Colliery Guardian, October 24, 1913, p. 853.

! See Colliery Guardian, November 7, 1913, p. 957.