It's a Planisphere. I only know because it was on TV tonight :)
a hand
A hand gun.
It is called a pistol
Stock on hand or inventory
Are called Free Weights
it is called an aube darling
The grip when cards are held from the top in the right hand is known as biddle grip. It gives you complete control over the top cards.
This is called a Flat Top Comb.
Yes, there are both hand held and mounted gas detectors available. The hand held device runs around $18 from amazon.com. To mount one, it would could between $55-125.
A machine gun held in the hand called the GAU 51
Sizzler
A planet