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| Optical Bench Research
(SI-PH-1135) |
| One Meter log for advanced work consists of 2 rods. One stainless steel and chrome plated steel the stainless steel is divided in mm. These are supported on heavy cast iron feet with leveling screws. For special designed metal slides having a fine index mark enable rereading to betaken on the scale with easy and ac curacy the slides are machined metal so they slide accurately & smoothly on the bed, Two of the slides are transverse slow motion adjustment. Complete with 6accessories, two lenses holders, two optical pins, one candleholder and one screen ground glass.
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