It's ammo for the very first version of the "30-caliber machinegun" M-1919, which is the smaller version of the M-2 HB (means either 'heavy barrel' or 'hydraulic buffer') .50-caliber machinegun.
Impossible to answer without an extremely detailed description of each item.
The Dodge Caliber has a timing chain, not a timing belt.
10 clips
The Van Allen belt.
A belt drive is a mechanism which uses a continuous belt through which power is transmitted.
The gas pipes of a belt continuous furnace are typically made of stainless steel or copper.
A 2009 Dodge Caliber has a timing chain.
Never saw a 52 caliber MG. The .50 cal Browning M2 is fired by inserting a belt of ammo, pull the cocking lever back TWICE, (palm up is easier) release safety, hold both spade grips tightly, depress trigger with your thumb. Observe strike of rounds, adjust fire.
yes
equatorail low
Chain.Chain.
500 rds