title: Manually-Operated Coal-Mining Machine.
title: Manually Operated Coal Mining Machine.
creator: Jackson, Ed
contributor: Allen, Fred
contributor: Fruzier, Herbert
contributor: Trotle, Charles H.
contributor: Riley, H. F.
contributor: Columbia Planograph Co.
publisher: United States. Patent Office.
date: 1919-07-08
language: English
description: Patent for manually mining coal and allows miners to cut coal close
 to the ground from an upright position, including illustrations.
subject: Inventions
subject: Science and Technology
subject: Science and Technology - Tools
subject: slitting minerals
subject: coal machines
coverage: United States - Texas - Erath County - Thurber
rights: Public Domain
type: Patent
format: 4 sheets, 4 p. : ill. ; 23 cm.
format: Text
identifier: pat-no: 1309477
identifier: govno: 02/88819
identifier: https://texashistory.unt.edu./ark:/67531/metapth1257226/
identifier: ark: ark:/67531/metapth1257226