Bolton's International Catalogue
We are clearing out our excess stock which we have
accumulated over the past 10 years. Most of the items have been
written down on our books which gives us the opportunity to offer you
the equipment at much reduced pricing.
We do not normally hold stocks of laboratory equipment as demand is
so varied. As a specialist sourcing and export house, we buy in back
to back for you which enables us to offer such good discounts. The stock
we are looking to clear out has been left with us for various reasons,
ranging from cancelled orders due to the Far East currency crisis, non
payment of pro-forma invoices and simple oversupply from our suppliers.
All the equipment is brand new and has been stored in its sealed original
packaging in our air conditioned warehouse. More precise information
is available for any item on request. If the equipment you are looking
to purchase is not illustrated, please fax or email us your request
and we will reply with our best discounted price.
NEWSFLASH ON EBAY: Please visit our EBAY STORE for ex-stock clearance sale of small labware items, glass blowing sundries and digital thermometers and probes.
Pascall Engineering Ball mill Model No.9
|For grinding of small quantities of material. Variable
speed 0-400rpm. Accepts either 1 x 0.5 litre or 1 x 1 litre posts.
The rubber covered rollers are 48mm diameter and have a usable length
0f 206mm. the rolling mechanism and ball posts are totally enclosed
behind a transparent safety shield. Weight 8.4Kg.
|List price: £915.00
||Discount price: £SOLD
|1 litre mild stell ball mill pot
||Discount price: £300.00
|1 litre carbon steel ball charge
||Discount price: £15.00
|0.5 litre mild steel ball mill pot
||Discount price: £230.00
|0.5 litre carbon steel ball charge
||Discount price: £11.00
Permeability kit for below water table measurements
Measurement of permeability is an essential determination for:
- Maximising the effectiveness irrigation
- Optimising drainage layout
- Maintaining and improving soil structure
Soil permeability is an indication of the ease, or otherwise,
with which water moves through the soil. It is determined by the arrangement
of soil structural components and is adversly affected by such factors
as salt and clay accumulation in soil horizons.
The determination of infiltration rate gives vital information for:
- Cost-effective irrigation and drainage
- Maximising water availability to plants
- Improving crop yields
- Minimising soil erosion
The rate of infiltration of water into the soil gives an indication
of the rate at which irrigation water should be applied to the soil
to prevent surface run-off and drainage loss once saturation point has
been reached. Infiltration data, along with other parameters such as
permiability and hydraulic conductivity, is also used in determining
the optimum depth and spacing of field drains. In areas of high rainfall
and unfavourable relief, infiltration rate data is important in predictions
relating to soil erosion potential.
The set comprises all the equipment for determining permiability of
in-situ soils using the auger hole method. This rapid, simple and reliable
method is used mostly in connection with the design of drainage systems
in waterlogged land.
The kit comprises augers, baler, measuring tapes, floats, fitter and
Discount price £700.00. List price £998.15
Suitable for use with transparent liquids. Overall length 283mm.
Sample capacity 18ml. Viscosity range 60 to 300 cst. One is available
for discount price at £30.10. List price £43.00
Single channel temperature loggers. Monologue includes a range of robust
and reliable single channel temperature loggers, they are simple to
set up and use, with an elegant software interface giving rapid and
easy access to the information stored.
ML40 datalogger with internal sensing -40°C to +40°C. One available
for discount price at £43.72. List price £54.65.
ML 409 Software and cable for IBM PCs with 9 in RS 232 connector. One
available for discount price at £22.85. List price £28.57.
Hotplate Stirrer Accessory
20001/12 Contact thermometer 0-150°C mercury/glass. One available
for discount price at £51.91. List price £64.89.
Accessories for Distillation Flask Heater 24530-3
- 24401-0 glass flask, 500ml capacity. One available for discount
price at £18.72. List price £23.40
- 2440-0 condenser, reflux-type, 40cm effective length. One available
for discount price at £30.24. List price £37.80.
- 24490-0 receiver, 12.5ml. One available for discount price at £38.16.
List price £47.70.
Photosynthesis apparatus H71160/8
For measuring and analysing gas given off by plants such as Elodea.
Comprises two syringes connected to a collecting tube via a 3-way tap.
This arrangement enables the gas to be drawn along the capillary tube
by one syringe and collected into the second syringe for analysis. The
apparatus is mounted on a backboard 240 x 100mm. Two are available for
discount price at £.
Certified laboratory test sieve for precise particle analysis.
One each available for discount price at £20.23. List price
- 3" dia brass sieve 2.00mm
- 3" dia brass sieve 850mu
- 3" dia brass sieve 425mu
|For use with light microscopes, surface
type where the pattern is formed in a layer bonded to the surface
of the glass disc 1mm thick. In this type the patter reads correctly
when viewed through the glass. When the microscope is focused the
image of the specimen and graticule will be seen together.
Calibration 10mm x 0.1mm. ML 200-15 19mm diameter. Two are available
for discount price at £16 each. List price £20
Calibration 100mm x 0.1mm. ML 205-15 19mm diameter. Two are available
for discount price at £14.88 each. List price £18.60
1mm grid squares with each square numbered. ML215-15 19 mm diameter.
Two are available for discount price at £15.76 each . List
|An accessory A46226001 bottom cover for
EMF 10 outlet mist filters.One available for discount price at £19,91.
List price £24.89
Wild flowers H91961/9
|A seasonal guide of wild flowers found
in differnt habitats. One pack of six charts 500 x 700mm. One available
for discount price at £10.83/pack. List price £13.54
U-tube reverse flow viscometers
Type RFC.. Suitable for transparent and opaque liquids. Complete with
out of date certificate of calibration. Nominal overall length 275mm.
Approx size 3ml. Nominal constant 0.03. Viscosity range v6 to 30mm2s,
cst. One available for discount price at £35 each.
|Aluminium. With holes to accept all commonly
used blood tubes, bijou bottles, universal containers, sputum cups,
etc. Supplied flat for folding easily into shape by the user when
required. In use the rack is simply positioned to the hole arrangement
required. Four are available for discount price at £8.40 each.
List price £10.50 each.
Test Tube Racks
Glass filled acetal. Three tier grid design moulded in one piece, with
alphanumeric referneces moulded into the top tier. Can be autoclaved
and suitable for use in water baths up to 121°C. Tube size 250 x
102 x 83mm. Four each of yellow and red are available for discount price
at £5.82 each. List price £7.28 each.
Nature viewer H91620/6
An acrylic sample box with a 4.75 magnifying lid. Ideal for viewing
small specimens, insects, etc. Base has a 3cm scale divided into mm
moulded into the base. Dimensions 75 x 60mm hight x diameter. Three
are available for discount price at £4.50 each. list price £5.63
A lightweight protector suitable for short term. Two are available for
discount price at £4.14 each. list price £5.18 each.
|The white polyethylene screw cap has
a pivoting nozzle which can be raised to give a directable jet of
liquid as the bottle is squeezed. BGE536P capacity 500ml, o.d. 74mm
and high 170mm. Eight apcks of 10 are are available for discount
price at £5.65/pack. List price £7.07/pack.
Quantiative ashless. Box quantity 100 circles. FB210-30 Dia. 11cm. Six
are are available for discount price at £5.04 each. List price
Countdown timers with memory
Digital reading. Measures lapsed time up to 99 min. 59sec. With end
of period audible alarm. The memory function allows the set time period
to be repeated as often as desired by simple manipulation of the start/Stop
switch. A magnet attached to the back can be used to place the timer
on a metal surface. Supplied with 1.5V G-13 size button cell battery.
two are available for discount price at £4.23 each. List price
Rectangular cover slips ML564-32 No. 1/12 22 x 64mm. Two packs of 100
are available for discount price at £2.66 each. List price £3.33
Clear glass with round bottom. Fifteen packs of 10, dia 80mm are available
for discount price at £1.64 each. List price £2.05 each.
Aluminium caps 10084/05
Aluminium cap with rubber liner particularly suitable for culture bottles.
Cap size R3/28. All supplied in packs of 10. 2 packs of 10 are available
for discount price at £0.88/pack. List price £1.10/pack.
Drosphila etheriser H12020/5
Comprises a flat-bottomed glass tube fitted with a plastic funnel, for
collecting flies from breeding bottles. A piece of string is moistened
with ether when anaesthetising flies.
Tube: 100 x 25mm length: x diameter
Funnel: 100 x 65mm length x max, diameter.
Three are available for discount price at £2.12 each. List price
Clear polycarbonate side shields, brow guard and lenses to EN166 1F.
can be worn over prescription spectacles. Four are available for discount
price at £1.40 each. List price £1.75 each.
* To request further information please Email