USD $39
This is an introductory student rule with 9 scales, and useful formulas and conversion data tables on the reverse side. Great for beginners and collectors alike.
Scales include:
Front – A, B, CI, C, D, K, S, L, T
Back – Formulas and data table
Stock: 1
USD $165
17 scale full sized duplex trig bamboo rule with framed glass cursor and a Sphere Research nylon case. Has folded CF and CIF scales, split square root (R) scales, plus DI and 3 dual trig scales. A very attractive and hard to find rule, notably a transitional rule marked as both Teledyne and Post. As with all bamboo body rules from Post or Teledyne Post, they are actually made by Hemmi in Japan.
(17 Scales)
Front – K, DF, [ CF, CIF, CI, C, ] D, R1, R2
Back – L, A, [ T, SecT/ST, Cos/S, C, ] D, DI
Stock: 1
USD $35
This is an excellent starter rule which features additional markings on the scales to help explain the core functions of multiplication and division.
Scales include:
Front – A, B, CI, C, D, K, S, L, T
Back – Blank
Stock: 3
USD $195
Very good condition log log duplex rule, with hyperbolic sine and tangent scales, additional vector/radian engineering scales, and inverted sine/tangent scales. Has folded scales, extended/inverted trig scales, and 3 log log scales. A very nice high end bamboo duplex rule, with a very uncommon scale set.
This rule comes with its factory box, and carton slip case.
Scales include:
Front – Sh1, Sh2, Th, A, [ B, TI1, TI2, SI, C, ] D, DI, x, theta
Back – L, K, DF, [ CF, CIF, CI, C, ] D, LL3, LL2, LL1
Stock: 1
USD $195
Log log duplex rule, similar to the POST Versalog, but with both A and B scales. Has folded and extended trig scales, and 8 log log scales. A very nice high end bamboo duplex rule, and one of Hemmi’s most popular models outside North America. This specific rule comes with the original factory box, and carton slide case instead of the leather case.
Scales include:
Front – LL/1 (e-0.01<-0.1), LL/2 (e-0.1<-1.0), LL/3 (e-1.0<-10), DF, [ CF, CIF, CI, C, ] D, LL3 (e+1>10), LL2 (e+0.1>1.0), LL1 (e+.01>.1).
Back – L, K, A, [ B, T, S, ST, C, ] D, DI, LL0 (e+.001>.01), LL/0
Stock: 1
USD $75
One side of the case may say Teledyne Post, but the other definitely says Hemmi. This is a beginner, single sided rule, that features feet on the reverse side for easier desktop use. We’ve only got one manual in stock, so not all rules come with manuals.
Scales include:
Front – T, K, A, B, CI, C, D, L, S, ST
Back – Blank
Stock: 3
USD $149
This 12 scale rule includes its original box and manual, and the rule features feet on the reverse side to enable easier desktop use.
Scales include:
Front – LL01, LL02, LL03, DF, CF, CIF, CI, C, D, LL3, LL2, LL1
Back – T, ST, K, A, B, BI, CI, C, D, L, P, S
Stock: 1
USD $225
This special late production Foxboro flow rule is used to calculate flow parameters and rates for liquids, steam or gas. This is the version custom made for Foxboro by Hemmi of Japan, and has red, blue and black engraved and filled scales.
Pipe schedules are color coded for easy operation. The unusual design uses many dedicated scales sets on both sides, and includes the fitted factory box and manual, and gold embossed leather case, all in MINT condition!. It’s a rule you will really enjoy in your collection, or on the job doing steam or hydraulic pipe fitting.
Stock: 1
USD $175
Powerful, new full sized rule with leather case, engraved black/red scales, adjustable bamboo body, framed glass cursor. Specialized electronics scales are described in the advertisement below. An uncommon and useful rule.
Operating manual can be downloaded here.
Scales include:
Front – db, Neper, DF [ CF, CIF, CI, C, ] D, LL3, LL2, LL1
Back – A, L, [ C, SI, TI ] D, Lambda, F
Stock: 1
USD $110
While the box is a little worn, the rule itself is in mint/new condition and is still in its factory sealed plastic. Includes original instruction manual and case.
Front – T, K, P, S, C, D, +3 other scales, L, LL1, LL2, LL3
Back – Blank
Stock: 1
USD $65
This Hemmi pocket rule is in new/mint condition, and is still in its factory plastic sealed bag.
Scales include:
Front – C, D, + 7 other scales
Back – Instructions and unit conversion data
Stock: 1
USD $145
This advanced, bamboo rule, features 24 scales and was designed with engineers in mind.
Scales include:
Front – LL/0, LL0, K, A, B, T, S, ST, C, D, DI, P, L
Back – LL/1, LL/2, LL/3, DF, CF, CIF, CI, C, D, LL3, LL2, LL1
Stock: 1
USD $25
This is a great rule for beginners, as it features a blue colored slide for easy reading, a reduced number of scales, and stand-off style feet on the reverse side for easy desktop use. It also includes an original instruction manual.
Scales include:
Front – T, K, A, B, CI, C, D, L, S, ST, LL1, LL2, LL3
Back – Blank
Stock: 1
USD $75
This is a rule designed more for beginners, and incorporates a variety of useful features. It includes metric rulers on both the upper and lower edges of the rule, however, the ruler on the lower edge places the “0” mark in the center of the rule with markings increasing outwards towards each end of the rule.
Scales include:
Front – K, A, B, BI, CI, C, D, DI, L, T2, T1, ST, S
Back – Unit conversion table, formula references, and usage instructions
Stock: 1
USD $195
Still in excellent condition, this Hemmi Versatrig rule was released as a Geotec branded rule, but still includes the original Sun Hemmi markings. Original leather pocket case with clip included.
Scales include the following:
Front – C, D, K, CF, DF, CI, R1, R2, CIF
Back – A, C, D, L, S, T, DI, ST
Stock: 1
USD $195
This bamboo rule is still in its original factory sealed plastic, however, the rule does show signs of discoloration and marking from having been stored for so long. The case is also fairly worn and has lost its finish in multiple areas. Ruler in inches along the upper edge of the rule.
Scales include the following:
Front – A, C, D, K, CF, DF, CI, L, TI1, TI2, SI1
Back – Blank
Stock: 1
USD $125
Still in its original plastic sleeve and unopened, is this Hemmi 60 pocket rule. Features metric and imperial rulers on the upper/lower edges of the rule.
10 scales.
Stock: 1
USD $95
This early Hemmi pocket rule features a magnifying cursor, and an imperial unit ruler along the top edge of the rule.
Scales include:
Front – A, B, C, D, CI, S, L, T
Back – Blank
Stock: 1
USD $129
This advanced Hemmi pocket rule features a metric ruler along the upper edge, and 13 scales (5 regular sacles unmarked).
Scales include:
Front – P, S, T, K, L, LL1, LL2, LL3 (+5 unmarked scales)
Back – Blank
Stock: 1
USD $35
This seven scale pocket rule features an unusual cursor design, with a bulkier metal frame on only three sides of the cursor. Imperial/metric ruler on the upper and lower edges of the rule. As is true of most Hemmi rules, this is a bamboo rule.
Scales include:
Front – A, B, C, D, S, L, T
Back – Blank
Stock: 1
USD $85
This bamboo, eight scale, pocket rule features a metric ruler on the upper edge of the rule. Includes original box, manual, and case.
Scales include:
Front – A, B, C, CI, D, S, L, T
Back – Blank
Stock: 1
USD $65
This bamboo, nine scale, full size rule features imperial and metric rulers on the upper and lower edges of the rule. Includes original box, manual, and case.
Scales include:
Front – L, D, 360, C, D, A, S, S&T, T
Back – Formulas, data tables
Stock: 1
USD $265
Marketed under GeoTec/Hughes-Owens, this bamboo pocket rule is still marked on the rule as a Sun/Hemmi rule. It features 23 scales, and includes the original box, manual, and case.
Scales include:
Front – LL/1, LL/2, LL/3, T, ST, S, C, D, LL3, LL2, LL1
Back – LL0, LL/0, K, DF, CF, CIF, CI, C, D, R1, R2, L
Stock: 1
USD $225
Don’t let the box fool you, this rule is in excellent shape and is still in its sealed factory plastic. It features 24 scales, and is a rule for advanced users.
Scales include:
Front – L, F, K, A, B, K’, CI, C, D, LL3, LL2, LL1
Back – CL, SL, M, TL, R, ST, T, S, C, D, DI, SIN/COS
Stock: 1
USD $95
This rule is new and still in its factory sealed bag, the case is also in excellent condition with no staining or wear. As features, this rule has 15 scales, a metric ruler along the upper edge of the rule, and formulas and data conversion tables on the back.
Scales include:
Front – T, K, A, B, BI, CI, C, D, P, S, L, LL0, LL1, LL2, LL3
Back – Formulas and data tables
Stock: 1
Sphere Research Corporation