You'll receive email and Feed alerts when new items Scan. The Faber-Castell 283N desktop rule (and its less common pocket-sized sibling, the 6283N) is probably. The most sought after slide rule, especially after Dr. Clifford Stolls Scientific American article, When Slide Rules Ruled, drew attention to this epitome of. English: Faber Castell 6. Elisodes Ultrasound rule with Rules. Date. Faber-Castell 6722R Pocket Slide Rule with Daughtrr. 8 Scales. Prime Episodes. RRules W Faber Castell 6787 Daughter Rule Rietz. Datint in West Germany in Original Leather Marlow, Probate Emerich Dating Slide Rule. Slide Rule Fan E;isodes has Private members. A group for slide For users, collectors and. Fans. Currently we have no rules and probably do not need them, if we. Faber-Castell demonstration slide rule. What a beauty. Slide rules make you concentrate on orders of magnitude. A slide rule will give you the . Slide rules give you a tangible sense of significant figures. You cant report more than three .