Slide Rule LOT Post Pickett Keuffel Esser Vtg Hyperbolic Computer Calculator LOT Без бренда

Бренд: Без бренда

~ 4 048 ₽ 49.98 $

Modified Item No

Country/Region of Manufacture United States

California Prop 65 Warning no

Time Period Manufactured 1930-Now

Up for auction consideration is a vintage grouping lot of

SLIDE RULE RULERS with their PROTECTIVE COVERS

FOUR (4) SEPARATE SLIDE RULES AS A ONE BID LOT

1. PICKETT AND ECKEL INC

with rubber feeling outer slip case covering which has

some tearing marks at side edges at upper folded top flap

SLIDE RULE GETS STUCK WHEN WITHIN CASE

mst slightly pry two sections apart to use rule

2. POST VERSALOG

leather outer case covering with side hook fastening

name on leather covering with ink pen

slide rule operates freely with no visible damage

3. SAME AS ABOVE WITHOUT SIDE FASTENING HOOK

this one also has former owners name with ink pen

on inner leather covering, slide rule operates freely

4. KEUFFEL AND ESSER CO. NEW YORK

leather covering with opened side end, this rule appears

to be about 10" Inches long, slide rule operates freely

wood construction with math equivalents on back side

FOUR (4) SEPARATE SLIDE RULES AS A ONE BID LOT

please examine the many pictures and photographs

Parcel Post Postage with Tracking is $15.00 within the USA