BOTTOMLEY'S WEB SITE
established this site to
facilitate public knowledge of a few things that may be useful or
interesting some people. There are no advertisements and nothing to
buy, just information.
This gives some background information about me.
If you have any questions or
comments then click the link.
(This shows you how to make a fairly effective radiation shield to
improve the accuracy of the temperature readings in a typical 'home'
of information about the "Magnabend" sheet metal bending machine.
This machine was manufactured in Australia by Magnetic
Engineering Pty Ltd (a company which I managed) up to year 2003.
original patents on the concept have now expired and this has allowed
manufacture in several other countries, not necessarily under the
I established this website
preserve the technology behind this invention and to help manufacturers
and would-be constructors get the basics right.
This page shows you how to recognize and eradicate Spanish Heath which
is becoming a serious weed in some parts of Australia.
This page explains a problem which I have observed with badminton
umpire's chairs and has links to my detailed
depict a better design. I am providing these drawings simply
service to the sport.
My review of the camera function of the HTC One X mobile phone,
including sample pictures and a discussion of the pros and cons.
up-dated 10 July 2018.