abacus

abacus

Saupan Chinese abacus

Abacus example

simplified Japanese abacus

abacus wooden

Sorobon Japanese Abacus

chinese abacus

abacus black

Abacus 5

Quipu Incan abacus

Abacus

travel compass

pliers photo

old clay pitcher

laboratory symbol

steel plate padlock

adjustable wrench lg

level photo

basic megaphone

flame match

California crate

box wrench 3

hand hoe 1