Malkoff Devices designs and manufactures high powered LED flashlight modifications for Maglites and Surefire flashlights and their own Malkoff LED flashlights. Their products are so well designed and constructed that they are coveted by professionals that depend on their flashlights and enthusiasts that appreciate their quality. I bought my first Malkoff Devices M60 drop-in five years ago. The M60 drop-in had a Cree X-RE LED (Q5 bin) and Khatod 6 degree optic. This drop-in output 180 lumens driven... Read the rest of this entry »
Skyline Boulevard, Oakland, CA Read More →
Russian Bear at the Beijing Zoo, 1975 (Nikon F, Nikkor-O 35 mm f/2.0, Tri-X) Read More →
Ship, October 1978, Location Unknown (Kodachrome 64) Read More →
I found this Regina Extra Record Ti Freewheel in my bicycle parts box. My friend Kenny bought it in the early 80′s and I used it for a few miles and then put it in the parts box. It is a six speed freewheel with 13-14-15-17-18-19 tooth cogs and Italian threading – 1.378″ x 24 TPI. When I recently removed the cogs to clean them, part of the freewheel body looked like it was made out of aluminum. All the cogs are threaded and made of titanium but I was unable to separate the... Read the rest of this entry »
I’m a big fan of Cree LEDs. I use them in almost all my flashlights. Last month, a Cree LED light bulb was introduced that replaces a 60 watt incandescent bulb. (Cree Press Release) The bulb retails for $12.97. Specifications from Cree: 9.5 Watts (84% less energy) 800 Lumens brightness 25,000 Hour rated lifetime $1.14* Annual energy cost Lifetime savings: $139* Warm color temperature: 2,700K Lights instantly, omni-directional Mercury free Safety-coated glass Dimmable 10-Year Limited Warranty UL... Read the rest of this entry »
After the failure of an old computer running Windows Server 2003, I setup Windows Server 2012 on a Macbook. Years ago, I set up a Sony Vaio PCG-Z505HS running Windows Server 2003 at home so I could keep up with Macs and Active Directory. When I recently experienced problems with DHCP and DNS, I discovered that the Vaio had died. There was no LED power indication. My troubleshooting consisted of jiggling the power connector and checking the power supply voltage. When I measured voltage from the AC... Read the rest of this entry »
