Classify Firearms From Bullet Appearance Focusing on bullet comparison and the marks associated with the comparisons, this poster outlines how to identify firearms involved in crimes from looking at the bullets fired.
• Size: 24″ x 36″
It also demonstrates some of the different class characteristics of bullets. Size: 24″ x 36″.
Unit: Pcs
Robust low-priced student monocular microscope with achromatic par focal DIN standard objectives mounted on revolving nosepiece and vertical stage with stage clips.
Eyepiece tube is mounted at a 45 degree angle for comfortable viewing.
Wide-field eyepiece with built-in pointer makes it easy to point out particular specimen details (Mechanical stage is sold separately).
The stereo microscopes from model 40 series are very similar to the model 30 series. There are, however, some extra features that make it an ideal choice for more demanding users. It is slightly larger because it contains larger prisms and thus improved optics. The top and bottom illumination can be used simultaneously and the top light source is equipped with a halogen bulb The optical head rotates 360° for convenient viewing and the magnification is changed via a 90° rotating turret. The model 40 comes in two variants that only differs with regards to the magnification. The model 40B has 10x and 30x magnification.
Cordless, portable stereo microscope with optics and magnification identical to model 30B. With LED illumination and rechargeable batteries with 8-12 hour capacity and thus ideal for use on field trips etc.
The stereo microscopes from model 40 series are very similar to the model 30 series (077025-26). There are, however, some extra features that make it an ideal choice for more demanding users. It is slightly larger because it contains larger prisms and thus improved optics. The top and bottom illumination can be used simultaneously and the top light source is equipped with a halogen bulb The optical head rotates 360° for convenient viewing and the magnification is changed via a 90° rotating turret. The model 40 comes in two variants that only differs with regards to the magnification. The model 40C has 20x and 40x magnification.
Unit: Pcs
Stereo microscope with good, sharp optics. The paired 10x wide-field eyepieces have removable soft eyecups to help shut out peripheral light. In addition the eyepieces have interpupillary adjustment (51-75mm) and dioptric adjustment on left eyepiece. With turret-mounted 1x and 3x objectives for quick magnification changes, an inclined head for viewing comfort and a dual illumination system for ideal specimen lighting. Top and bottom illumination cannot be used simultaneously. Other Model 30B eyepieces are available as extras allowing magnifications up to 60x.
Unit: Pcs
Unit: Pcs
Unit: Pcs
