The Vickers.50 machine gun, also known as the 'Vickers.50' was similar to the.303 inches (7.70 mm) Vickers machine gun but enlarged to use a larger-calibre 0.5-inch (12.7 mm) round. It saw some use in tanks and other fighting vehicles but was more commonly used as a close-in anti-aircraft weapon on Royal Navy and Allied ships, typically in a. I am renominating it as the article has substantially improved in the 10-11 years since 2006 and might potentially be of the right calibre. Notability is certainly not an issue with this article. TheSandDoctor 20:56, 3 April 2017 (UTC).Support as nominator.TheSandDoctor 20:57, 3 April 2017 (UTC). Mar 04, 2020 To add eBooks to Calibre, simply drag the eBook into the Calibre window. In a second or two, Calibre will import the eBook and fetch related metadata, book details, and the cover art. Connect your Kindle to your computer using a USB cable.

• E-calibre Download
• Trek E Calibre Bikes
• E-calibre Download
• Calibre E Bike
• E Calibre Trek
• Calibre E Book Management Reviews

The Vickers .50 machine gun, also known as the 'Vickers .50' was similar to the .303 inches (7.70 mm) Vickers machine gun but enlarged to use a larger-calibre 0.5-inch (12.7 mm) round. It saw some use in tanks and other fighting vehicles but was more commonly used as a close-in anti-aircraft weapon on Royal Navy and Allied ships, typically in a four-gun mounting. The Vickers fired British .50 Vickers (12.7×81mm) ammunition, not the better known American .50 BMG (12.7×99mm).

Mark I[edit]

The Mark I was the development model.

Mark II, IV and V[edit]

The Mark II entered service in 1933 and was mounted in some British tanks. Marks IV and V were improved versions and were also used on trucks in the North Africa Campaign. It was superseded for use in armoured fighting vehicles (AFVs) during the Second World War by the 15 mm (0.59 in) Besa.^[1]

Mark III[edit]

The Mark III was a naval version used as an anti-aircraft weapon, mostly by the Royal Navy and allied navies in the Second World War, typically in mountings of 4 guns. It proved insufficiently powerful at short-range against modern all-metal aircraft and was superseded during the Second World War by the Oerlikon 20 mm cannon. The naval quad mount featured a 200-round magazine per barrel, which wrapped the ammunition belt around the magazine drum and provided a maximum rate of fire of 700 rounds per minute, per gun.^[2] The four-barrel mounting had its guns adjusted to provide a spread of fire, amounting to 60 ft (18 m) wide and 50 ft (15 m) high at 1,000 yd (910 m).^[1] Vickers claimed that it could fire all 800 rounds in 20 seconds and could then be reloaded in a further 30 seconds.^[1] During the Second World War it was also mounted on power-operated turrets in smaller craft such as motor gunboats and motor torpedo boats.

See also[edit]

Notes[edit]

1. ^i.e. Marks 1, 2, 3, 4, 5. Britain used Roman numerals to denote Marks (models) of ordnance until after the Second World War.

References[edit]

1. ^ ^abcWilliams, Anthony G. 'THE .5' VICKERS GUNS AND AMMUNITION'. www.quarry.nildram.co.uk. Retrieved 20 May 2013.
2. ^DiGiulian.

Bibliography[edit]

• Tony DiGiulian, British 0.50'/62 (12.7 mm) Mark III
• Anthony G Williams, THE .5' VICKERS GUNS AND AMMUNITION

External links[edit]

calibre is an e-book library manager. It can view, convert and catalog e-books in most of the major e-book formats. It can also talk to many e-book reader devices. It can go out to the Internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.

You’ve just started calibre. What do you do now? Before calibre can do anything with your e-books, it first has to know about them. Drag and drop a few e-book files into calibre, or click the “Add books” button and browse for the e-books you want to work with. Once you’ve added the books, they will show up in the main view looking something like this:

Once you’ve admired the list of books you just added to your heart’s content, you’ll probably want to read one. In order to do that you’ll have to convert the book to a format your reader understands. When first running calibre, the Welcome wizard starts and will set up calibre for your reader device. Conversion is a breeze. Just select the book you want to convert then click the “Convert books” button. Ignore all the options for now and click “OK”. The little icon in the bottom right corner will start spinning. Once it’s finished spinning, your converted book is ready. Click the “View” button to read the book.

If you want to read the book on your reader, connect it to the computer, wait till calibre detects it (10-20 seconds) and then click the “Send to device” button. Once the icon stops spinning again, disconnect your reader and read away! If you didn’t convert the book in the previous step, calibre will auto convert it to the format your reader device understands.

To get started with more advanced usage, you should read about The Graphical User Interface. For even more power and versatility, learn the Command Line Interface. You will find the list of Frequently Asked Questions useful as well.

If you have more questions, or want to discuss calibre with other users or askfor help with specific things, there are forums and other help resourcesavailable.

An e-book version of this User Manual is available inEPUB format, AZW3 (Kindle Fire) format and PDF format.

Sections

The main calibre user interface¶

• The Graphical User Interface

Adding your favorite news website to calibre¶

• Adding your favorite news website

The calibre E-book viewer¶

• The E-book viewer

Customizing calibre’s e-book conversion¶

E-calibre Download

• E-book conversion

Editing e-books¶

• Editing e-books

The calibre Content server¶

• The calibre Content server

Comparing e-books¶

• Comparing e-books

Editing e-book metadata¶

• Editing e-book metadata

Frequently Asked Questions¶

Trek E Calibre Bikes

• Frequently Asked Questions

Tutorials¶

E-calibre Download

• Tutorials

Customizing calibre¶

• Customizing calibre

The Command Line Interface¶

Calibre E Bike

• Command Line Interface

E Calibre Trek

Setting up a calibre development environment¶

Calibre E Book Management Reviews

• Setting up a calibre development environment