Bulletin 76 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Accident & emergency procedures,  SYS physics experimental guide, Exhibition programme

4(2) Opinion

Manufacturers’ catalogues

5(3) Melting point apparatus

A satisfactory melting point apparatus can be made from a scrap 500 g or 200 g brass weight, or from a block of aluminium

6(4) Automatic precipitate washing 4.

We show a method of providing automatic washing of a precipitate in a filter funnel

6(4) Paper chromatography

A variation on the common method.

7(5) Velocity of sound in a rod

An experiment that may be of interest to anyone investigating the velocity of sound in a rod, by any of the techniques described in Bulletin 49, or elsewhere.

7(5) Microbiology hazards

We would. like to draw the attention of teachers to an article “How safe are microbiology texts?” by Wyatt and Wright in the “Journal of Biological Education”

8(6) Trade News

10(8) In the Workshop – thermoelectric effect apparatus

A method of demonstrating the thermo-electric effect, borrowed via Didacta from East Germany.

11(9)  ‘Umbrella inversion’ molecular model

A model to to illustrate the ‘inversion’ which takes place in the methane molecule when a hydrogen is replaced by a halogen atom,

14(12) Address List

Bulletin 77 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Scottish Branch A.S.E. annual meeting

3(1) Opinion

Chemical and psychological hazards

4(2) Melting point apparatus

An amendment to the article in Bulletin 76

5(3) Surplus physics equipment

8(6) Thermoelectric effect

A correction to the article in Bulletin 76

8(6) Bridge rectification model

A design for apparatus to show the current path at different parts of the cycle in bridge rectification

10(8) Peak and rms values

A query about a CSYS experiment.

10(8) In The Workshop – A battery soldering iron 8.

12(10) In The Workshop – Intercostal rib cage model

13(11) In The Workshop –  Abrading glass tubing

14(12) Address List

Bulletin 78 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Spiralling costs

3(1) Opinion

Symbols and abbreviations

5(3) Dissolved oxygen measurement

We have developed a piece of apparatus which may be more efficient in minimising errors from these sources than the apparatus usually recommended.

8(6) Collapsed can experiment

Using a ring-pull can.

9(7) flameproof cabinet test

Following on from Bulletin 75: results of tests on metal cabinets.

12(10) pH electrode simulator

A method of testing the workings of your pH probe.

13(11) equilibrium constant of lead sulphate/sodium iodide

Problems with purity of the reagents.

14(12) Address List

Bulletin 79 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Hazardous chemicals manual – developments

3(1) Millon’s reagent

The case against its continued use.

7(5) Laboratory accidents

Lithium explosion on heating, Pupil squirting liquid from a syringe, heating of a liquid in a closed flask fitted with a Bunsen valve, Butyric acid accident due to ‘horseplay’.

8(6) Molecular weight determination

Using a lighter fuel container to determine the molecular weight of a gas.

9(7) Sodium street lamps

Warning about their disposal

10(8) Integrated circuit multivibrator

Using an inverter to mimic a triode valve or transistor in a multi-vibrator circuit,

11(9) Trade News

12(10) In The Workshop – ticker tape dispenser

A simply a wall-mounted flat box carrying a roll of ticker tape, with a hinged top to allow the reel to be dropped in,

14(12)Address List

Bulletin 80 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Basic and workshop equipment list

3(1) Disinfectants

A review of the apparopriate (and inappropriate) usage of detergents in the microbiological laboaratory.

8(6) In The Workshop – Flask shaker

A simple design for a DIY flask shaker.

12(10) Address List

13(11) Bulletin Index, Nos. 70 – 79

Bulletin 81 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Overseas subscriptions, Bulletin abstracts

Physics Abstracts

A list of past physics articles and the Bulletin(s) where they are located

4(2) Mathematical logic

4(2) Measurement

4(2) Mecianics

4(2) Dynamics

5(3) Energy conversions

6(4) Fluid mechanics

6(4) Waves

6(4) Gas laws

6(4) Sound

7(5) Optics

7(5) Heat

8(6) Electrostatics

8(6) Current electricity

10(8) Electromagnetism

10(8) AC theory

11(9) Electronics 9.

11(9) Atomic physics 9.

12(10) Meteorology

12(10) Workshop practice

12(10) Trade News

14(12) Address List

Bulletin 82 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Establishing a cost index

3(1) Opinion

The Health and Safety at Work Act

Chemistry Abstracts

A list of past chemistry articles and the Bulletin(s) where they are located

5(3) General 3

5(3) Thermo-chemistry and thermodynamics

6(4) Chemical dynamics

6(4) Electro—chemistry

7(5) Colloid chemistry

7(5) Molecular weight

7(5) Chemical compounds

8(6) Chemical structure in relation to properties

8(6) Experimental and preparative chemistry

9(7) Measurement and instrumentation

9(7) Physical methods of analysis

9(7) Chromatography

10(8) Organic chemistry

10(8) Gaseous fuels

11(9) Workshop practice

11(9) Safety

13(11) Bulletin Supplement – low voltage power units

Reviews available for various low power units.

14(12) Address list

Bulletin 83 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Surplus equipment

4(2) Opinion

Abbreviations and acronyms.

Biology Abstracts

A list of past biology articles and the Bulletin(s) where they are located

5(3) Transport systems

5(3) Respiration

6(4) Photosynthesis

6(4) Nutrition

7(5) Growth

7(5) Reproduction

7(5) Movement

7(5) Sensitivity

7(5) Ecology

8(6) Microscopy

9(7) Husbandry

10(8) Surplus physics equipment

12(10) Fire-resistant paint offer

13(11) Trade News

14(12) Address List

Bulletin 84 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

CSYS experimental guide to electrostatics, SSSERC annual subscription, Christmas and New Year closing dates

3(1) Opinion

More S.I. and abbreviations

4(2) Demonstrating the mechanics of sailing

A method of demonstrating the action of sailing on a broad reach, or sailing into the wind,

5(3) Correction to physics equipment list

5(3) Correction to pelican crossing circuit  in Bulletin 72

5(3) Phase relations in a capacitor

Following on from Bulletin 68. We show how a simple pendulum with its tip moving in a conducting solution can be used to demonstrate phase relationships.

7(5) Potometer for use on the OHP

We demonstrate a simple design.

9(7) Trade News

10(8) In The Workshop – Vibrating spatula

A simple method for making this useful device

10(8) In The Workshop – Aquarium pump

We have produced another adaptation which will allow an aquarium to be aerated from a low voltage supply such as a car battery.

12(10) In The Workshop – burglar-proofing a room

A rather eccentric electric circuit project.

14 (12) Address List

Bulletin 85 Complete

The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)

3(1) Introduction

Surplus equipment, Cost index, Christmas and New Year closing dates

3(1) Poor man’s phase contrast

Using polarised light as a cheaper alternative.

5(3) Methanal hazard

A warning not to allow methanol to contact hydrochloric acid.

6(4) Laboratory accidents

Bottle of calcium carbide shattered, Use of a vacuum cleaner as a compressed air source to drive a bench blowpipe.

6(4) FE help with CSYS projects

Some colleges have offered to assist.

7(5) Surplus physics equipment

10(8) Printed circuits

Etching your own circuits.

11(9) Trade News.

12(10) In The Workshop – solids dispenser

A convenient dispenser for solids, based on the sugar dispenser used by cafes

12(10) Diode and transistor models

Simple models to demonstrate the workings of these components.

14(12) Address List