Bulletin 28 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

Mr. A.J. Mee, O.B.E. an appreciation.

4(2) Opinion

The move over to the Continental System of colour Coding of mains driven apparatus

4(2) Mammals for biology

The problems of using mammals in biology experiments.

5(3) ASE Annual Meeting,

A report of this year’s meeting in Bristol.

6(4) EHT Power Supplies

Requirements for EHT supplies used in schools.

9(7) In The Workshop – mammal traps

A simple arrangement to trap small mammals alive and unhurt.

10(8) In The Workshop – Mud scoop

Another use for a 2 lb syrup tin.

10(8) In The Workshop – electrolysis cell

An easy construction from a detergent bottle.

11(9) Trade News

13(11) Bulletin Supplement – EHT power supplies

A summary of tests carried out on E.H.T. power supplies.

14(12) Address List

Bulletin 29 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

Equipment exhibitions, Second hand equipment for sale, Exhibition programme.

4(2) Opinion

Safety in laboratories and technician training.

5(3) Low Voltage Transformers

The procedures used to test transformers for providing low voltage AC.

7(5) Display Laboratory

Latest additions.

8(6) Ether engine

Omissions from the article on the ether engine published in Bulletin 27.

8(6) Electrostatics experiment

A very simple method of demonstrating the identity of current and static electricity.

8(6) New syllabus equipment list

We are currently revising the equipment list for the new biology syllabus which was published in Bulletin 23.

8(6) Light meter

Modification of indoor model for outside use.

9(7) Trade News

10(8) In The Workshop – liquid dispenser

A DIY dispenser for liquids.

11(9) Bulletin Supplement – low voltage transformers

A summary of tests carried out on low-voltage transformers

12(10) Address List

Bulletin 30 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

Distribution of Equipment lists, Exhibition date, SSSERC postal code

3(1) Opinion

S.I. Units

5(3) Trade News

7(5) Stuck glass tubing

2 tips to free up stuck glass tubing.

7(5) In The Workshop – plankton net

An effective plankton net can be made from a ladderless nylon stocking, cut off just above the heel.

8(6) Meter mount

Construction of amount for a MR65 size meter.

9(7) Bulletin Supplement – low voltage transformers

A summary of tests carried out on a second selection of low voltage transformers

10(8) Address List

11(9) Bulletin Index, Nos. 20 – 29

Bulletin 31 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

Staff changes, Exhibition programme

3(1) Opinion

S.I. Units  – again.

4(2) Constant current power unit

A constant current power supply unit designed for coulometric titrations.

5(3) Second-hand physics equipment available

8(6) Display Laboratory

Recent additions

8(6) Trade News

9(7) In The Workshop – Demonstration DCC. motor

A model of a DCC motor that we like because its size makes it possible for a pupil to see the commutative action,

12(10) Address List

Bulletin 32 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

SSSERC services

5(3) Opinion

Scientific gaffes in the media.

5(3) Trade News

7(5) Instant cold frame

A cold frame which can be built in a few minutes from polystyrene tiles

7(5) Extracting living material from soil

To extract living material from a soil sample for examination, it is best to encourage the organisms to move out under their own power.

7(5) Pitfall trapping

An easy method.

7(5) Second-hand physics equipment available.

8(6) Transformer fuses

The results of tests on different fuses.

9(7) In The Workshop – pipette filler

A simple and inexpensive pipette filler design.

10(8) In The Workshop – 4 mm lead storage

A suggestion for a 4mm lead kit for the individual pupil, which can be checked for contents at a glance and is readily stackable for storage.

11(9) In The Workshop – colour wheel

A disc is painted in a pattern of black and white lines. ‘Then rotated at speeds between 1 and 15 revolutions per second, colours are seen.

13(11) Bulletin Supplement – power supplies

A summary of tests carried out on a further selection of power supplies

14(12) Address List

Bulletin 33 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

Autumn exhibitions.

3(1) Opinion

Primary school environmental studies – we put a toe in the Primary waters.

4(2) Test Reports

A list of SSSERC and CLEAPSE reports that may be borrowed.

6(4)  Preserving drosophila

How to preserve a collection of adult flies which can be studied by pupils.

6(4) Choice chambers

Glass tubing as a graduated alternative.

7(5) Chick embryos

Advice on opening eggs.

7(5) In the Workshop – Brownian motion model

A number of magnets rotate on a turntable under a ‘platform’ of formica or other plastic, and cause small steel ball bearings on the platform to move in a random manner.

9(7) In the Workshop –  ring main model

A model that shows clearly the advantages in using a ring main circuit for delivering electrical power.

11(9) Bulletin Supplement – centrifuges

A summary of the tests on a second series of centrifuges.

12(10) Address List

Bulletin 34 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

Councillor Melville Dinwiddie retirement.

3(1) Opinion

Top pan balances

4(2) Infra red spectrograms

Explanatory booklet and spectrographs from Strathclyde University.

5(3) Pupil desiccators

A simple DIY design for a dessicator.

5(3) Errata re centrifuges and balances.

5(3) Display Laboratory

Additions to the display.

6(4) Trade News

8(6) Nim – a mathematical game

Nim is a mathematical game for two players, giving practice in the use of binary counting.

12(10) In The Workshop — a Nim machine

Construction of a Nim machine.

14(12) Address List

Bulletin 35 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

Equipment lists

4(2) Opinion

Metrication and chemical nomenclature.

4(2) Microprojection technique

Projecting an image from a normal microscope.

5(3) Thermistor thermometer

Notes for the guidance of teachers who may wish to construct a thermistor thermometer.

7(5) Animal movement

A simple device for showing animal movement.

7(5) Drosophila preservation

Update to the article in Bulletin 33.

8(6) Supply of bimetallic strips

8(6) Surplus equipment available

10(8) Ignition temperatures of crude oil fractions

A simple qualitative method.

10(8) Trade News

12(10) In The Workshop — kinetic motion model

Construction of a model that demonstrates thermal expansion, evaporation and boiling;

13(11) Bulletin Supplement – top pan balances

A summary of the tests carried out on a selection of top pan balances.

14(12) Address List