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US993746A - Quartz-mill. - Google Patents

Quartz-mill. Download PDF

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Publication number
US993746A
US993746A US48524909A US1909485249A US993746A US 993746 A US993746 A US 993746A US 48524909 A US48524909 A US 48524909A US 1909485249 A US1909485249 A US 1909485249A US 993746 A US993746 A US 993746A
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US
United States
Prior art keywords
shaft
mortar
mill
quartz
hopper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US48524909A
Inventor
Samuel C Arnold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENVER QUARTZ MILL AND CRUSHER Co
Original Assignee
DENVER QUARTZ MILL AND CRUSHER Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DENVER QUARTZ MILL AND CRUSHER Co filed Critical DENVER QUARTZ MILL AND CRUSHER Co
Priority to US48524909A priority Critical patent/US993746A/en
Application granted granted Critical
Publication of US993746A publication Critical patent/US993746A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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