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New images have arrived. This time an Astra blade has been examined.
The first set of pictures shows the bevel with the blade tilted towards the detector.
The Blade lies not flat to ensure a better...

Unfortunately no, this is not possible. I get this request a lot but there are some simple reasons.
First of all human hair is made of a material that is not condictive like metal.
The surface to...

Hi Ziggy,

unfortunately there is no way to estimate the performance of a blade only by looking at it,
even under close magnification. The performance of a blade is a function of many variables,...

I got some great news.
After several days of experimenting I finally came up with a way to improve the image quality.

I tilted the blade heavily towards the "camera". It isn't a full 90° edge on...

93370

Here is an example for the manufacturing process of a Derby blade.
The blade shows at least three different angles with a coarse primary bevel, a secondary bevel and a completely polished...

Here are some samples of a Derby blade.
The picture on the left shows the derby sputtered and untreated.
The picture on the right shows the opposite side of the blade but this time it has been...

Today I am going to treat you to something real nice. Due to my current employment status I have access to a scanning electron microscope.The SEM is capable of extremely high magnifications up to...