The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
The problem of electrical safety testing, WP.A. apparatus design competition results
4(2) A sparking generator using a car ignition coil
In Bulletin 49 we gave a simple circuit using a relay, for producing a sparking generator for those experiments in chemistry which need one, e.g. the combination of nitrogen and oxygen in air. We decided to update the circuit by using electronic ignition.
6(4) Circular motion experiments
Using the Harris data memory
11(9) Help wanted
Assistance sought with the testing of o.h.p. lamp bulbs
11(9) Trade News
13(11) Low voltage power units
A summary of tests carried out on low voltage power supplies. Individual reports on these may be borrowed by writing to the Director.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Technicians’ workshops, Easter closing dates
4(2) The hazards of biological stains
Their dangers and safe usage.
6(4) Temperature compensation in pH meters
How to compensate for temperature effects in uncompensated meters.
8(6) 100 vol hydrogen peroxide
Potential hazards of keeping 100 vol solutions as a stock.
9(7) Quiz game control unit
Making a ‘first to the buzzer’ circuit.
12(10) Display Laboratory
Latest additions
13(11) Trade News
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Planning Committee reorganisation, SSSERC subscriptions
4(2) Bioluminescence
Some classroom activities on this fascinating topic.
7(5) Demonstration digital display
For some time we have sought a digital display which could be driven from t.t.l and which would be large enough to be seen from the rear of a classrooms
8(6) In the Workshop
How to make the demonstration digital display as described above.
10(8) Modified deflagrating spoons
A small modification of these enables them to fit into a boiling tube
11(9) Trade News
12(10) Address List
13(11) Index, Nos. 110 – 119
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Devon Reid, H.M.I, SYS chemistry equipment list, ‘O’ grade microscopes, Cost index, Summer holiday closing
4(2) Chemistry experiments, advice on safety
The third of our articles from the ASE Safety Committee, Materials and Processes Group, Advice on Safety in Chemical Experiments.
8(6) Rotation of the centre of mass of a body
An idea for demonstrating that the centre of mass of a body undergoing projectile motion is not affected by any rotational motion which the body may have.
9(7) Scaler/frequency meter
A correction to the article in Bulletin 115
9(7) Trade News
10(8) ‘O’ grade microscopes
A comparative survey of microscopes for work up to ‘O’ grade.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Planning Committee, SSSERC questionnaire
5(3) Opinion
Hidebound equipment?
6(4) Once-a-week timer
A once-a-week timer to allow for the regular activation of laser tubes.
8(6) Surplus equipment
10(8) Combustion of charcoal blocks
Charcoal blocks can continue to smoulder long after the reduction of the copper or lead oxide is over and the laboratory closed up for the day.
10(8) Two laboratory accidents
Oxidisers in a bin, sparking in a flask washed with propanone.
11(9) Trade News
13(11) Display Laboratory
Latest additions.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
(A Restricted Chemicals special)
3(1) Introduction
3(1) Banned and Restricted chemicals
A lengthy list.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Logo competition Page, More questionnaire replies, please! Physics equipment list, Making cassette recorders compatible with language labs, Repair of pupil oscilloscopes, Holiday closing dates
7(5) Disposable spraying booth
using a cut-away cardboard box as a small disposable shield or booth for spraying chromatograms.
8(6) Anti-splash guard for test tubes
A simple means of preventing ejected liquid from travelling from a test tube across the bench
9(7) Revised list of micro-organisms
A revised list of available organisms.
9(7) ‘H’ grade microscopes
A list of suitable models available
14(12) Address List
