[D8933ABK], Letter from Albert H Porter to William Birch Rankine, September 3rd, 1889

Item

Abstract

Dear Sir####I respectfully submit the following estimate for a canal [margin: [----- 10000 HP] the flow of which I send you today. 500 ft of canal including excavation in River $40,000. 410 '' of Cross Tunnel####7000####6 Inlets to Wheel Pits####6000####6 Outlets from '' ''####1800####6 Wheel Pits for 10000 Horse Power####58000####Coffer Dam####6500####Bulk Heads####3000####Total Estimate=####$122300####Very Truly yours####Albert H. Porter####Wheels for Canal as shown on plan $45000####[next page: Aug. 5 & Sept 3. 1889###A.H Porter to W.B Rankine, giving estimate specification for main tunnel-also approximate estimates. [Note: The page is littered with arithmetic]####[Next two page: enclosure, blueprint plan: Proposed Plan for Canal Tunnels Etc--10,000 Horse Power]####[name mentions: A.H Porter, Am. B. Rankine]

Date

1889-09-03

Decade

1880-1889

Type

Subject

Identifier

D8933ABK

Folder Set

D8933

Title

[D8933ABK], Letter from Albert H Porter to William Birch Rankine, September 3rd, 1889

Microfilm ID

126:64

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University