15/06/13: Salvaging ferrite transformer cores
14/05/13: Another example of a toner-transfer PCB
03/05/13: Thermal measurement of laser power
31/03/13: High-speed photodiode
10/03/13: Nails as tommy bars
10/02/13: Online calculators added
04/02/13: Test indicator contact bar tip
25/01/13: Sherline coolant tray
21/01/13: Vacuum hold downs
15/01/13: Rotary slit scanning
07/01/13: Powder coating
20/12/12: Video of Mandelbrot set zoom added to page on distance estimation methods
12/12/12: Links page
25/11/12: Distance estimation methods
20/11/12: Sharpening a tap
12/11/12: Load resistance on PIC programming pin
17/10/12: Electric field plotter software
02/10/12: Reason for dip in expansion curve added to solder glass page
30/09/12: CRT stem pin holder
23/09/12: Warning about grounding laser diode added to UV laser diode page.
21/09/12: Small variac transformers
19/09/12: More photos of an Edwards glass lathe
16/09/12: Using a webcam in VB6
09/09/12: Changed the appearance slightly (background, centered body, and rounded corners). PCB via size test.
23/08/12: Wire butt welder
10/08/12: Soft drink bottle top thread size
08/08/12: High-voltage diode stack
02/08/12: Bench punch
06/07/12: Added where to get needles for the micro gas torch.
05/07/12: Hot air gun circuit and operation
24/06/12: Punch and die set for washers
15/06/12: Mapping Num Lock key to a comma
05/04/12: Card creasing punch
30/03/12: Added video of laser engraving and cutting card
29/03/12: Example of laser-engraved anodised aluminium added to laser cutting pages
27/03/12: Better example added to the page on the double sided exposure alignment jig
23/03/12: Resistor colour code chart
08/03/12: Miniature rope knurling tool
01/03/12: Capacitive high voltage probe
11/02/12: 40-400V power supply
27/01/12: Shop added with my first product!
23/01/12: Sandblasting glass
18/01/12: Single-arm water manometer
12/12/11: Laser-cut happy Mac (bottom of page)
05/12/11: Faulty PCB pin header connectors
04/12/11: Bayonet bulb plug adapter
24/11/11: SOT23-6 adapter boards
18/11/11: TV CRT socket
16/11/11: The photos of my jamjar Panaplex display were used in the countdown clock at the Nerd New Year event in Redwood City, CA. For more info, see http://www.phantomgalleries.com/SJ/2011/11/carter_needs_your_numbers.html and http://nerdnewyear.com/.
05/11/11: Another example of using solder glass powder (see bottom of page)
27/10/11: ICSP adapter for EasyPIC5
18/10/11: How to do simple animations in Rhino 3D
24/09/11: Changed the logo to a new style
21/09/11: Uses for disposable syringes
20/09/11: Dismantling a freewheel cogset
11/08/11: Flexible shaft coupling
31/08/11: A few explanatory photos added to the lathe DRO page
26/08/11: Lathe quick change toolpost
27/07/11: Anodising aluminium
23/07/11: Lathe DRO
21/07/11: Updated the page on solder glass to include dilatometry results and a full explanation of what's happening.
18/06/11: Manual orbital TIG welding
16/05/11: Added a better video of cutting glass tubing in the lathe
15/05/11: Ribbon burner for the micro torch
12/05/11: HV trigger and capacitor dumper
11/05/11: Added some better photos of the glass lathe
13/04/11: Added example of joining a CRT stem using solder glass
05/04/11: Added stuff on cutting mica, engraved wooden boxes, and protecting wooden surfaces to the laser cutting examples page
27/03/11: Using solder glass
14/03/11: Pulse arc welding using TIG torch
10/03/11: Custom text discharge tube
09/03/11: Digital camera spectroscope
07/02/11: Page on vacuum filling manifold
25/01/11: Added page on digital Kirlian photography.
14/12/10: Finally uploaded the old pages on my homebuilt CO2 lasers
13/12/10: Changed the logo text from Century Gothic to Papyrus (download the Papyrus font here)
07/12/10: Page on a rotary valve steam engine
06/12/10: Page on converting a petrol engine to a steam engine
04/12/10: Added new page on an air inlet guide for the laser cutter
25/11/10: New page on the second Panaplex display!
23/11/10: Added a "favicon" to the site
16/11/10: Cutting glass tubing on the lathe
04/11/10: Degassing chamber
30/10/10: Page on LTD Stirling engine.
27/10/10: Page on copper tubing pinch-off tool.
18/10/10: Page on Houskeeper Seals.
07/10/10: Added page on Nixie counter.
06/10/10: New site (v7) constructed using lots of nice CSS. Added page on AA battery eliminator.
Page last updated: 15/06/2013, 03:22:14 PM BST
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