Slide Rules

From my personal collection


"...slide rule is an instrument to work out rough estimation snappy."
Hemmi instruction book


Name Thumbnail Links Notes
Concise 270 Concise 270 Front
Back
 
Dietzgen 1734 Front
Back
 
Dietzgen 1767 Front
Back is blank
 
Dravo Front
Back
 
Engineering Insturments 10B Front
Back
Box Front
Box Back
Cheap but popular wooden student's rule.
Jeppesen CR-3 Front
Back
 
Jeppesen MB-9 Front
Back
 
K&E 4053 Front
Back
 
Pickett NT-4 Front
Back
The engineering student's status symbol.
Pickett 101-C Pickett 101-C Front
Back
 
Pickett 115 Front
Back is blank
Inexpensive plastic rule.
Pickett 110-ES Front
Back
Documentation
Unusual scales include: V1 & V2 scales for vector calculations; 50-inch expanded C & D scales; G scale for stadia calculation. See documentation for details.
Pickett 300 Front
Back
Still carried & used daily.
Pickett N600-ES Front
Back
 
Pickett N902-ES Front
Back
 
Pickett N902-T Front
Back
 
Post 1447 Front
Back
 
Post 1452 Front
Back
 
Science Spectrum Front
Back
Documentation
Unusual Octal-Decimal rule used by computer scientists back when octal (not hexidecimal) was the norm. See documentation link for operation details.
U.S Patent 3,654,437
Sun Hemmi 259D Front
Back
Magnifier
A present on my 16th birthday. Thanks, Dad!
Sun Mannheim Front
Back
Slider Removed
Cursor1
Cursor2
Reportedly a Model 64 (Rietz)
Unusual pointer on cursor for keeping track of decimal.
Original owner was my wife's great uncle, a Stanford grad and chemical engineer.

Slide Rule Links

Sphere Research Slide Rule Site
Eric's Slide Rule Site
Ron Manley's Slide Rule Site
Yahoo! Slide Rule Forum
Yahoo! Slide Rule Group
Slide Rule Documentation Online

Return to Home Page Updated 22 July, 2001 Maintained by Kent Walker