March 29, 2015

Homework Help: social studies

Posted by livy on Sunday, January 31, 2010 at 6:15pm.

when was the:

Nancy Johnson's hand-crank ice cream freezer

Emeline Hart's commercial oven

Ellen Eglin's clothes wringer

sarah mather's submarine telscope

martha coston's saftey flare gun

emily tassey's dredging pump

henrietta vansittart's (improved version)screw propeller for ships

eliza murfey's packing and material process for parts of steam engines

thedosia jones' vacuum canning process to preserve food

thomas edison's phonograph, electric power station and kinetoscope

lummiere brothers' movie projectors

karl braun's major components for television

h. booth and m. spengler's vacuum cleaner

wright brothers' airplane


Answer this Question

First Name:
School Subject:

Related Questions

Math - Emily and Sarah had a total of $80 dollars. After Sarah spent 1/3 of her ...
physics - It is night and a wilderness camper is in distress. To signal for help...
Programming - How do I declare how many boxes there are and how much per box ...
Algebra 2 - an ice cream store has 31 flavors of ice cream and 10 toppings. A ...
Algebra 2 - An ice-cream parlor sells sundaes with 3 different types of ice-...
Algebra! - An ice cream parlor sells sundaes with 3 different type of ice cream ...
8th grade - who was emily tassey and who were her kids
Algebra - An ice cream shop has 6 flavors of ice cream and 3 toppings. In how ...
Economics - For each pair of commodities, state which you think is the more ...
statistic - In order to attract customers, an ice cream company has started a ...