By Hilary Doyle

The workhorse of the German military that swept throughout Poland, France and Russia, the Sturmgesch?tz III observed provider in all theatres of global battle II, either in an infantry aid position and as a tank destroyer. more cost-effective and swifter to provide than a tank, the attack gun proved a remarkably potent weapon. Its layout and improvement, construction, functions and operational historical past are all heavily tested, as is its tactical employment and enterprise into devices. This ebook makes use of unique German strive against and adventure studies to teach how the Sturmgesch?tz fared in motion, while additionally delivering details on either retrofitted and construction variations.

Show description

Read or Download Osprey - New Vanguard 019 - Sturmgeschutz III Assault Gun 1940-42 PDF

Similar nonfiction_2 books

Extra info for Osprey - New Vanguard 019 - Sturmgeschutz III Assault Gun 1940-42

Example text

This compensation was accomplished by the introduction of the fusee. A cone-shaped pulley was positioned next to the barrel. T h e pulley h a d a spiral groove machined in its face in which a chain was placed. One end of the chain was h o o k e d to the base of the c o n e a n d the other e n d of the chain was h o o k e d to the outer face of the barrel side. G e a r teeth were c u t on the b o t t o m edge of the cone a n d formed the main wheel. W h e n the mainspring was w o u n d , the chain was THE MOVEMENT 33 pulling on the smallest diameter of the cone with m i n i m u m leverage.

In mechanically powered timepieces the reverse is the case. Motive power. Power is provided by a mainspring coiled in a barrel. The inner end of the spring has a rectangular hole known as the eye. This is h o o k e d to an a r b o r in the centre of the barrel. T h e outer e n d of the spring is h o o k e d to the inner face of the barrel side. The mainspring occupies a b o u t one-third of the space inside the barrel. The action of winding a watch spring causes the a r b o r to rotate a n d the inner e n d of the mainspring to wind itself r o u n d the arbor.

If the dial is enamel a n d has smeary m a r k s on its face it may be wiped with a soft cloth moistened with the cleaning fluid a n d then lightly polished with a dry piece of the same cloth. N o t h i n g 50 WATCH AND CLOCK REPAIRS c a n be d o n e with a crack b u t if dirt h a s found its way into a crack showing it up as a thin black line the dirt c a n be removed by brushing along the crack u n d e r r u n n i n g water. A n y a t t e m p t to clean a silver or gilt dial almost always results in the dial looking worse.

Download PDF sample

Rated 4.88 of 5 – based on 6 votes