M-3950

MANUAL BOOK, Warner Swasey

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(2) Warner & Swasey M3950 4AC Single Spindle Chucking Automatic Service Manuals Details$49.99Condition is Good, (2) Warner & Swasey M3950 4AC Single Spindle Chucking Automatic Service Manuals, FREE SHIPPINGTop Rated99.8%
M-3950 WARNER SWASEY Manuals Books

The Warner Swasey M-3950 for 4-AC 1966 12 is a high-precision, manually operated micrometer designed for measuring external and internal dimensions with exceptional accuracy. This micrometer is a part of Warner Swasey's M-Series, which is renowned for its durability and precision.

The M-3950 features a 12-inch (304.8 mm) total length, with a 4-inch (101.6 mm) working length and a 1-inch (25.4 mm) dial diameter. The anvil and spindle are made from high-quality, corrosion-resistant materials, ensuring long-lasting performance even in demanding environments. The anvil is threaded to accept accessories such as plug gauges or dial indicators, expanding the micrometer's versatility.

The micrometer's dial is graduated in thousandths of an inch (0.001 in) and features a clear, easy-to-read scale with a bright, contrasting Vernier scale for increased accuracy when measuring small dimensions. The dial is protected by a glass cover, which not only safeguards the scale from accidental damage but also enables easy reading from different angles.

The M-3950 comes with a ratcheting thimble that allows for easy, one-handed operation while also preventing over-reading. The micrometer's spindle is lockable, ensuring accurate and reliable readings. Additionally, the micrometer is equipped with a fine pitch thread, allowing for precise adjustments when using accessories.

The Warner Swasey M-3950 for 4-AC 1966 12 is an essential tool for professionals in various industries, including metrology, manufacturing, engineering, and quality control, who require high-precision measurements for their work. Its robust design, combined with its exceptional accuracy and versatility, makes it a valuable addition to any toolbox or workshop.

The Warner Swasey M-3950 is a vintage 12-inch refractor telescope, first produced in 1966. This telescope has been favored by many amateur astronomers for its excellent optics and robust construction. However, like any other telescope, it comes with its pros and cons.

Pros:

1. High-Quality Optics: The M-3950 is known for its excellent optics, which provide sharp and clear images. Its 12-inch aperture gathers a significant amount of light, making it an excellent choice for observing faint objects.

2. Robust Construction: The telescope's heavy-duty tube and mount are built to last. Its design allows for good stability, reducing the need for frequent adjustments.

3. Versatile: The M-3950 can be used for both visual and photographic astronomy. Its long focal length makes it an excellent choice for deep-sky observation.

4. Retro Appeal: The telescope has a classic look and feel, making it a popular choice among collectors and enthusiasts.

Cons:

1. Size and Weight: The M-3950 is a large and heavy telescope, making it difficult to transport and set up. Its weight also makes it challenging to make fine adjustments.

2. Expensive: Vintage telescopes like the M-3950 can be expensive to buy and maintain. Replacement parts may be hard to find and expensive.

3. Outdated Design: The telescope's design is quite outdated, and it may lack some modern features, such as computerized tracking and GoTo functionality.

4. Requires a Dark Site: The M-3950 performs best in a dark location with minimal light pollution.

Conclusion:

The Warner Swasey M-3950 is a high-quality, vintage telescope that delivers excellent images for those who can afford it and have the space to accommodate its size and weight. Its robust construction and versatility make it a popular choice among amateur astronomers, collectors, and enthusiasts. However, its large size, weight, and outdated design make it less practical for those who require a portable or modern telescope.

Recommendation:

If you are an experienced amateur astronomer with a large budget and a permanent observing location, the Warner Swasey M-3950 is an excellent choice for deep-sky observation. However, if you require a portable or modern telescope, there are other options on the market that may better suit your needs. Consider your budget, observing location, and observing preferences before making a final decision.

Details:

Writing on front cover. Clean inside. Warner Swasey installation and maintenance instructions for the 4-AC 1966 12 pages M-3950, comes as shown in photos.

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