A silver desk ruler John Collard Vickery, London 1910, also stamped with registration number RD4...Bonhams3.9(376)£600
RARE CUSTOM JODY SAMSON GROUND BOWIE BLADE BALI-SONG USA BUTTERFLY KNIFE.Dan Morphy Auctions4.3(1.4k)$750Feb 25, 2026
C. 1920S KA-BAR UNION CUTLERY CO. OLEAN, NY USA LEVER LOCK JIGGED BONE STAG HANDLE SWITCHBLADE.Dan Morphy Auctions4.3(1.4k)$700(2 bids)Feb 25, 2026
GEO. SCHRADE KNIFE CO. INC. PRESTO JIGGED BONE HANDLE DERBY COVER BOLSTERS SWITCHBLADE.Dan Morphy Auctions4.3(1.4k)$300Feb 25, 2026
SoldJASON NO 802 SLIDE RULE WITH CASEJASON NO 802 SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -BROWN LEATHER CASE -HS5721See Sold Price
SoldVintage Slide RuleA Jason Model 803 slide rule, in leather case, with original box and instruction booklet.See Sold Price
Sold8 slide rules; Jason, K&E, Dietzgen, Koh-I-Noorand U.S. Gov't; rules and case have wear and some are damagedSee Sold Price
SoldKEUFFEL & ESSER CO. NY Slide Rule Leather CaseKEUFFEL & ESSER CO. Slide rule & Leather Ruler Case. The ruler is crafted from plastic and metal materials. The ruler is marked KEUFFEL & ESSER CO. NY and the case is marked K&E LOG LOG DUPLEX DECITRISee Sold Price
SoldVintage Sun Hemmi 22" Slide Rule + other caseVintage Sun Hemmi 22" Slide Rule. A large vintage bamboo slide rule (probably an engineering slide rule) made in Japan by Hemmi under the "Sun" brand. It's labeled a No. 70. In original box. 1930s. SiSee Sold Price
SoldKeuffel & Esser Double Side Slide Rule & Leather CaseKeuffel & Esser Double Side Slide Rule & Leather Case. Case: 12 3/4 x 2 5/8 x 1 in.Local Pick up call one day before to make an appointment. TO SHIP THIS ITEM IN USA OR INTERNATIONAL, PLEASE CONTACT TSee Sold Price
SoldUSSR Soviet Russian Logarithmic Ruler Slide Rule with CaseDIMENSIONS APPROX 27x3.5x1CM. Please carefully study all photographs to get an accurate idea of the object. In good condition, as seen. Shipping is in-house and we ship internationally to US and restSee Sold Price
SoldFREDRICK POST CO. NO 1460 SLIDE RULE WITH CASEFREDRICK POST CO. NO 1460 SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -LEATHER CASE (MONOGRAMMED INNER FLAP) -HS5621See Sold Price
SoldPICKETT MODEL N-500-ES SLIDE RULE WITH CASEPICKETT MODEL N-500-ES SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -SUEDE TAN CASE -HS5621See Sold Price
SoldFULLERTON-ACU, NO. 1200 6' SLIDE RULE WITH CASEFULLERTON-ACU, NO. 1200 6' SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -GREEN LEATHERCASE -HS5621See Sold Price
SoldEUGENE DIETZGEN CO 10" SLIDE RULE WITH CASEEUGENE DIETZGEN CO 10" SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE -HS5721See Sold Price
SoldFABER-CASTELL 1/92 SLIDE RULE WITH CASE MADE IN GEFABER-CASTELL SLIDE RULE WITH CASE 1/92 MADE IN GERMANY | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -GREEN CASE CONDITION BASED ON VINTAGE WEAR (SEE PHOSee Sold Price
SoldBREITLING - a Navitimer Chrono-Matic chronograph wrist watch. Stainless steel case with slide-ruleBREITLING - a Navitimer Chrono-Matic chronograph wrist watch. Stainless steel case with slide-rule bezel. Case width 48mm. Reference 1806, serial 1262558. Signed manual wind calibre 11. Black dial witSee Sold Price
Sold12pc GENTLEMAN'S LOT12pc GENTLEMAN'S LOT Including WWII US Imperial pocket knife, case xx pocket knife, Kueffel Esser slide rule in case, sterling silver Boy Scout award tie tack and 1939 wheat penny. ; Condition - RustSee Sold Price
SoldVTG 1947 Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Rule w/CaseVTG 1947 Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Rule w/Case Please view all photos as they are part of the description and condition of this Item, Feel free to contact me with questSee Sold Price
SoldCigar Boxes & Scientific Hand ToolsIncluding slide rule, snap case w/tools, travel alarm clock.See Sold Price
SoldVintage Straight Razor , Fur Collar , Slide Rule withVintage Lot incl Vintage Straight Razor , Fur Collar , Slide Rule with Case and Instructions , Rubber Ducky , Slide Rule with Leather Case, etcSee Sold Price
SoldLAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INLAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INNDIANA SLIDE RULE WITH CASE MODEL 10-B | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITSee Sold Price
SoldPICKETT NO 160 MICROLINE 6" SLIDE RULE W/CASEPICKETT NO 160 MICROLINE 6" SLIDE RULE WITH CASE AND BOOKLET | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -BLACK CASESee Sold Price
SoldLAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INLAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INNDIANA SLIDE RULE WITH CASE MODEL 10-B | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITSee Sold Price
SoldLot of Vintage British Thornton Slide RulesGroup of 4 vintage British Thornton slide rules with cases. Includes an AD 050 Log Log, a AD 070 Modern Maths, PIC No. P271 Student Log Log and a No. P221 Comprehensive. All made in England.See Sold Price
SoldSelection of Pickett All Metal Slide RulesLot of 5 vintage Pickett all metal slide rules with cases. Includes a model N4-ES, a model N803-T, a model N 800-T, a model N 3-T and a 1947 model 2. *notes- some wear on cases.See Sold Price
SoldLot of Vintage Keuffel and Esser Slide RulesGroup of 5 vintage Keuffel and Esser slide rules with cases. Models include 4070-3, 4090-3, N4053-3 and two 4081-3, one with original box. Made in USA. *notes- wear on box and cases.See Sold Price