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TitleMakerDate Made
Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule2004.010.0027Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig N4081-3 10" Linear slide rule2004.010.0028Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Vector N4083-3 10" Linear slide rule2004.010.0029Keuffel & Esser Co.View
Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule2004.010.0030Keuffel & Esser Co.View
Keuffel and Esser Polyphase duplex Trig 4070-3 10" Linear slide rule2004.010.0031Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule2004.010.0032Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4080-1 5" Linear slide rule2004.010.0036Keuffel & Esser Co.View
Keuffel and Esser F963 Linear slide rule2004.010.0037Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule2004.010.0038Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule2004.010.0040Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig Special Radio Slide Rule 4082-3 10" Linear slide rule2004.010.0044Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule2004.010.0045Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule2004.010.0046Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Trig 4090-3 10" Linear slide rule2004.010.0047Keuffel & Esser Co.View
Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule2004.010.0048Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule2004.010.0049Keuffel & Esser Co.View
Keuffel and Esser Mannheim Merchant's Slide Rule 4094 10" Linear slide rule2004.010.0050Keuffel & Esser Co.View
Keuffel and Esser Duplex Merchant's Slide Rule 4095-3 10" Linear slide rule2004.010.0051Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-2 8" Linear slide rule2004.010.0052Keuffel & Esser Co.View
Keuffel and Esser Polyphase duplex with chisel cursor 4070-1 10" Linear slide rule2004.010.0053Keuffel & Esser Co.View
Keuffel and Esser Mannheim "EverThere" Slide rule 4097 5" Linear slide rule2004.010.0056Keuffel & Esser Co.View
Keuffel and Esser Doric linear slide rule2004.010.0057Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule2004.010.0059Keuffel & Esser Co.View
Keuffel and Esser Plastic Polyphase Mannheim 9061-1 5" Linear slide rule2004.010.0060Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0062Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0063Keuffel & Esser Co.View
Keuffel and Esser Kissam Stadia Slide Rule 4143 10" Linear slide rule2004.010.0065Keuffel & Esser Co.View
Keuffel and Esser Plastic Log Log Duplex Decitrig N9081-3 10" Linear slide rule2004.010.0067Keuffel & Esser Co.View
Keuffel and Esser Mannheim Roy Lance Electrican's Slide Rule N4133 8" Linear slide rule2004.010.0068Keuffel & Esser Co.View
Keuffel and Esser Kissam Stadia Slide Rule 4143 10" Linear slide rule2004.010.0069Keuffel & Esser Co.View
Keuffel and Esser Cooke Radio Rule 4139 10" Linear slide rule2004.010.0070Keuffel & Esser Co.View
Keuffel and Esser Military slide rule2004.010.0071Keuffel & Esser Co.View
Keuffel and Esser Kurtz Psychrometric Slide Rule 4175 10" Linear slide rule2004.010.0072Keuffel & Esser Co.View
Keuffel and Esser Mannheim "EverThere" Slide rule 4097D 5" Linear slide rule2004.010.0073Keuffel & Esser Co.View
Keuffel and Esser Mannheim "Pocket" Slide rule 4098A 5" Linear slide rule2004.010.0075Keuffel & Esser Co.View
Keuffel and Esser Mannheim "EverThere" Slide rule 4097C 5" Linear slide rule2004.010.0076Keuffel & Esser Co.View
Keuffel and Esser Duplex Power Computing Slide Rule N4135 7" Linear slide rule2004.010.0077Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0078Keuffel & Esser Co.View
Keuffel and Esser Mannheim "EverThere" Slide rule 4097D 5" Linear slide rule2004.010.0079Keuffel & Esser Co.View
Keuffel and Esser Nordell Sewer slide rule2004.010.0082Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0084Keuffel & Esser Co.View
Keuffel and Esser linear slide rule2004.010.0085Keuffel & Esser Co.View
Keuffel and Esser Economic lot slide rule2004.010.0089Keuffel & Esser Co.View
Keuffel and Esser C475 Linear slide rule2004.010.0090Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule2004.010.0093Keuffel & Esser Co.View
Keuffel and Esser Sperry Pocket Calculator2004.010.0111Keuffel & Esser Co.View
Keuffel and Esser Universal Duplex Slide Rule 4090N 10" Linear slide rule2004.010.0128Keuffel & Esser Co.View
Hudson's Horse Power Computing Scale2004.010.0165Keuffel & Esser Co.View
Keuffel and Esser Circular slide rule2004.010.0175Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0195Keuffel & Esser Co.View


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