Bulletin 19 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

Positive business experience. SSSERC Bulletins

3(1) Opinion

Use of film in schools

5(3) Mass Spectrometer

Explorations of the W.B. Nicolson mass spectrometer.

8(6) Physics Equipment List

A list prepared for the guidance of teachers requisitioning apparatus for the Certificate of VIth Year Studies.

14(12) Address List

Bulletin 20 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

Apology to biologists, SSSERC overseas.

3(1) Opinion

Science Fairs

4(2) Density gradient column

Teachers of the post-Higher physics syllabus looking for a project might like to consider the construction of a density gradient column.

5(3) Macro-Millikan apparatus

A more robust alternative.

5(3) Display Laboratory

Latest additions to the display.

6(4) Trade News

8(6) Molecular weight determination

An elementary method of determining the molecular weight of heavy volatile liquids.

8(6) Split mercury threads

A novel way of repairing split mercury threads.

8(6) In The Workshop – small scale filtration

Low pressure filtration of the small quantities of material used in semi-micro work can be carried out using the apparatus described.

9(7) Gas generator

A simple, small-scale gas generator.

10(8) Pulse beat display

Two elementary pieces of apparatus are described which will illustrate the pulse beat.

12(10) Address List

13(11) Bulletin Index, Nos. 10 – 19 

Bulletin 21 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

No more electroscope testing, Proposed new biology syllabuses, SSSERC exhibitions, Easter closures.

3(1) Low Voltage Power Supplies

We have been testing a number of low-voltage power supplies.

7(5) Gram molecular weight

Surprisingly accurate results for the gram molecular weights of the permanent gases can be obtained by the simple technique of injecting a measured volume of pure gas into a rigid container and determining its mass.

7(5) Organic preparations

We have carried out a series of organic preparations to determine the minimum grouping of apparatus necessary for carrying out these experiments.

11(9) In The Workshop – model mass spectrograph

The model mass spectrograph is an attempt to illustrate qualitatively that in passing through a magnetic field, and provided that they have the same velocity, heavier ions are deflected less than lighter ions.

13(11) Bulletin Supplement – low voltage power supplies

(page is blank!)

14(12) Address List

Bulletin 22 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, Reprints, SSSERC and CLEAPSE.

3(1) Test Reports

SSSERC and CLEAPSE reports available to borrow.

6(4) Opinion

ASE Scotland conference.

7(5) Fuel/oxygen explosion

The explosion of a fuel mixture and air by electric spark will not work with petrol unless you use oxygen instead of air.

7(5) Display Laboratory

The latest additions.

8(6) Trade News

9(7) In The Workshop – pinhole photography

We describe a method of making a negative on 35 mm film which, apart from loading the camera, can be done by the pupil himself.

11(9) Bulletin Supplement – low voltage power supplies

The results of the second selection of low voltage power supply units which we have tested.

12(10) Address List

Bulletin 23 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

Future exhibitions, Second hand equipment.

4(2) Opinion

Relationship with Local Authorities.

4(2) Biology Equipment List

List of equipment needed for teaching the current biology courses.

13(11) Trade News

14(12) Address List

Bulletin 24 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

Farewell to Mr. F.D.R. Belford, Future exhibitions

4(2) Equipment loan

A reminder of equipment which we are prepared to lend to schools.

4(2) Tunnel diode oscillator

A physics project which is cheap, simple and yet bang up-to-date can be found in the tunnel diode oscillator.

5(3) High Voltage Power Supplies

Background to our testing of HT supplies.

7(5) Vuespec auxiliaries

The Vuespec spectrometer, produced by Morris Laboratory Instruments works perfectly well with alternative, cheaper auxiliary equipment.

9(7) Trade News

10(8) Display Laboratory

The latest additions.

10(8) In The Workshop – solar motor

Some teachers may have been discouraged from constructing the solar motor which we published in Bulletin 8. We offer a simpler version.

11(9) In The Workshop – statistics/graph board

A statistics frame for displaying the results of class experiments

12(10) In The Workshop –  forearm model

A realistic working model of the forearm which is an improvement on that described in Bulletin 13.

13(11) Bulletin Supplement – high voltage power supplies

A summary of the results of tests carried, out on high voltage power supplies

14(12) Address List

Bulletin 25 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

Integrated Science Course, Equipment lists.

3(1) Opinion

A New Biology Catalogue

4(2) Centrifuges

Four models of centrifuge have been tested in the Centre.

5(3) Colorimeter

A colorimeter which is adequate for determining the concentrations of solutions by comparisons against a standard can be constructed using a cadmium sulphide photo-cell.

7(5) Fertilisation using pomatoceros

Our experiences in this technique.

9(7) Vitamin C testing

Stability (or otherwise) of reagents.

9(7) In The Workshop – light meter for biology

A simple light meter for ecology fieldwork.

11(9) Bulletin Supplement – centrifuges and High Voltage supplies

A summary of the results of tests carried out on two of the four centrifuges mentioned on page 2 and on two high voltage supplies.

12(10) Address List

Bulletin 26 Complete

26 Nov 1968

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

3(1) Introduction

Bulletin reprints

3(1) Opinion

Primary school science – a few ideas.

4(2) Experiments with a large capacitance

Some interesting experiments that can be carried out with access to a large capacitor.

7(5) Display Laboratory

The latest additions to the display.

7(5) Trade News

8(6) In The Workshop – pupil chromatography

With simple equipment one of the problems to be overcome is the evaporation of the solvent, so that a technique which solves this problem may have some merit.

9(7) Tetrahedral jig

A jig for marking tetrahedrally spaced holes in expanded polystyrene spheres

11(9) Bulletin Supplement – low voltage power supplies

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

12(10) Address List

Bulletin 27 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, Holiday closures.

3(1) Trade News

4(2) Uses for wooden circuit boxes

A few of the uses we have fot.md for these boxes.

5(3)  Polar molecules

One method of demonstrating the existence of polarised molecules in organic compounds is to measure the relative permittivity, or dielectric constant of the compound.

8(6) In The Workshop – U2 cell mount

Our method of mounting U2 cells so that they can be used with 4nm plugs.

9(7) In The Workshop – Ether engine

The ether engine published in the School Science Review, No. 167, p.219 is a good example of how a basic energy convertor works.

11(9) In The Workshop – marking machine

An electronic marking machine.

14(12) Address List