title: Propeller
creator: Blake, David H.
contributor: McAuliffe, J. L.
contributor: Davis, John P.
contributor: McAuliffe, J. L.
contributor: Regstom, John A.
contributor: Happle, James W.
contributor: Johnson, Robert E.
contributor: Merriman, Le Grand
contributor: Merriman, Charles H.
contributor: Columbia Planograph Co.
publisher: United States. Patent Office.
date: 1912-07-23
language: English
description: Patent for a boat propeller that does not create a vacuum behind it
 and is more efficient than other propellers.
subject: Inventions
subject: Science and Technology
subject: Business, Economics and Finance - Transportation - Boats
subject: propellers
coverage: United States - Texas - Bexar County - San Antonio
coverage: United States - New York - New York City
coverage: United States - Texas - Reeves County - Pecos
coverage: United States - Texas - Terrell County - Sanderson
rights: Public Domain
type: Patent
format: 2 sheets, 2 p. : ill. ; 23 cm.
format: Text
identifier: pat-no: 1033662
identifier: govno: 02/689699
identifier: https://texashistory.unt.edu./ark:/67531/metapth515030/
identifier: ark: ark:/67531/metapth515030