3(1) Introduction
CSYS chemistry projects, CSYS biology equipment list
3(1) Opinion
Safety spectacles again.
4(2) Improving microscope contrast
We been looking again at a number of simple techniques involving special methods of illumination.
7(5) Safety spectacles maintenance
The cleaning and disinfection of safety spectacles.
9(7) Substances for cooling curves
We investigated possible alternatives to naphthalene as a substance to be used in a melting point determination.
10(8) A random sequence note generator
Creating a sequence of random musical notes.
12(10) 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
Future SSERC exhibitions and demonstrations, Help for S.Y.S. chemistry projects, Geology fieldwork, Technician post
4(2) Maintenance of microscopes
Advice on the storage, cleaning and general maintenance of microscopes.
7(5) Constant current discharge of a capacitor
Investigations into capacitors.
11(9) Random sequence note generator design
Correction to the previous Bulletin.
11(9) Mobilites of hydrogen and hydroxyl ions
Problems with a method for demonstrating ion mobilities.
12(10) 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
Safety focus in this Bulletin.
4(2) Mercury
The mercury hazard – a recent incident and some scare stories – what is the truth?
8(6) Dissolved oxygen measurement
In Bulletin 78 we described apparatus which could be used for the estimation of dissolved oxygen content of water samples. We have received details of a simpler method, which dispenses with the need for a syringe valve.
11(9) A waveform generator circuit
The R.S, Components waveform generator 305-844 can readily be made a very low frequency sine wave generator to show phase lead and lag in reactive circuits.
13(11) Bulletin Supplement – stereomicroscopes.
A summary of stereomicroscope tests.
14(12) Addresses
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Cutting apparatus costs, Saturday opening, Cost index
3(1) Temperatures on the Flamefast burner
As a result of a fire in a laboratory we were asked to investigate the Rhodes Flamefast natural gas burner type C701.
5(3) Low melting-point solids
Conductivity of molten covalent compounds
5(3) Surplus physics equipment
9(7) Hazards of dressed seeds
Seeds supplied to schools for germination and morphological investigations are increasingly dressed with fungicide/insecticide.
9(7) Trade News
10(8) In The Workshop – diagram animator
A device that can be used to show by means of moving spots of light the direction of flow of a fluid in a diagrammatic sketch, either for unidirectional or circular flow,
14(12) Addresses
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
(A microbiology special)
3(1) Introduction
Our advisory service on microbiology
3(1) Detailed advice on safety techniques in teaching microbiology
Techniques, procedures and suitable organisms.
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
Microbiology lecture, Saturday morning closures – due to Director secondment to Lahore.
3(1) Opinion
‘plus ca change …‘
4(2) A ticker timer drive
How to make a suitable ticker timer driver.
6(4) Air table molecular motion model
Equipment that can be used to demonstrate many phenomena which depend on random motion and collisions of particles.
8(6) In The Workshop – ticker timer drive
How to make a functioning ticker timer drive.
9(7) In The Workshop – air table model
How to make the model described earlier.
13(11) Bulletin Supplement – stereomicroscope summary
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
Bibliography of safety manuals, Our centenary issue, Saturday closing dates
4(2) The Elodea experiment
The search for a pupil scale experiment which would show convincingly that an illuminated plant gives out oxygen.
5(3) Water sample collecting jar
A simple design.
9(7\) Surplus physics equipment
9(7) EM radiation hazard
Potential hazards of such sources for heart pacemaker wearers
10(8) Sound generation
A self-maintained tuning fork
12(10) Address List
13(11) Bulletin Index Nos. 90 – 99
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Display laboratory, Bulletin contents , Cost index, Saturday morning closures
4(2) Opinion
Duty versus responsibility
5(3) Equipment Offer
Sale of biology, chemistry and physics apparatus
6(4) Hazardous chemicals manual
A sample page of the forthcoming manual.
8(6) Mechanical switch timing with the SSSERC timer/frequency meter
Our timer/frequency meter can be readily adapted for other timing and counting requirements, so that it becomes possible for example to dispense with a scaler/timer, at a considerable saving of money.
11(9) Trade News
13(11) Display Laboratory
Recent additions.
14(12) Address List
