(4PC) KEUFFEL & ESSER SLIDE RULE AND CHARVOZ DRAFTING INSTRUMENTS
Grouping of vintage engineering tools including a Keuffel & Esser Log Log Duplex Decitrig slide rule model 4081-3 with a black leatherette case. The lot features a Charvoz precision drafting set in a blue-lined case and an additional drafting instrument set in a black velvet-lined case. Also included is a stainless steel vernier caliper with metric and imperial scales. The slide rule is constructed with celluloid faces and a metal-framed glass cursor.
h. 1 x w. 5 x l. 10 in (drafting set case listed)
Item Code: 9AA-87
Grouping of vintage engineering tools including a Keuffel & Esser Log Log Duplex Decitrig slide rule model 4081-3 with a black leatherette case. The lot features a Charvoz precision drafting set in a blue-lined case and an additional drafting instrument set in a black velvet-lined case. Also included is a stainless steel vernier caliper with metric and imperial scales. The slide rule is constructed with celluloid faces and a metal-framed glass cursor.
h. 1 x w. 5 x l. 10 in (drafting set case listed)
Item Code: 9AA-87