Flynn Helium-Oxygen Decompression Calculator

Incredibly rare and impressive United States Navy Mark V mixed gas or helium diving helmet! This helmet was presented to Lieutenant Commander James W. Gibson by the USS Coucal crew (ARS-8) upon his re

By far the most requested and popular diving helmet in the United States is the US Navy Mark V. There were only four companies that made the famed model starting in 1916. One of those original compani

Rare Saxonia 3 (Rolltop) Calculator, 1910 Glashütter Rechenmaschinenfabrik Saxonia. No. 12064, German trademark DRGM no. 394014, stepped-drum calculating machine, with 8-, 7- and 12-digit calcula

This is one of the notable and visually unique diving helmets ever produced. Made by the Yokohama Company in Japan, this was one of their most popular and expensive helmets ever produced! Used by dive

This is a rare Gas Services Halinaut deep water diving helmet. This helmet was sold by Gas Services located in Aberdeen Scotland. The Helinaut 500 is a modification of a Kirby Morgan Superlite 17 with

custom made ring, "Queen's Ring" design, center round faceted tanzanite approx. 12 x 12 x 8mm, 32 round brilliant diamonds estimated total weight 0.25ct., hand inscribed "18K" and will illegible marks

107.5w x 203.5d x 1h

Archimedes Junior Calculator, 1925 Rare small stepped-drum calculator by Reinhold Pöthig, Glashütte/Sa., serial no. 10380, with 6, 10 and 6 digits, only 8 ¼ x 6 1/2 x 4 in., working. -

This is a fascinating a rarely found Al Krasberg helium reclamation diving helmet. During the 1970s Mr. Krasberg designed this system around a Kirby Morgan Superlite 17 helmet. The helmets were then b

Heuer Calculator Chronograph stainless steel wristwatch, Ref. 110.633 The round dial with date aperture, rotating bezel, and chronometer, c. 1971 Stainless steel Case 46 mm Automatic Dial, clasp, ca

Ideal Calculator, c. 1910 Export model of the "Archimedes Mod. A”, manual German brass stepped-drum calculating machine for all 4 arithmetical operations, by Glashütter Rechenmaschinenfabri

CLAUDE FLYNN HOWELLNorth Carolina, 1915-1997Mending Nets: Late Afternoon, 1976. A proof, aside from the edition of 300. Signed and dedicated “For Jessica and Hume because I admire you greatly -&

HEUER - a gentleman's Calculator chronograph wrist watch. Stainless steel case with calibrated bezel. Reference 110.___, serial 298914. Signed automatic calibre 12. Blue dial with luminous baton hour

English School: Flynn Oil on canvas, unsigned, titled lower right. 22 x 17 in., 24 1/2 x 19 1/2 in. (frame).

CLAUDE FLYNN HOWELLNorth Carolina, 1915-1997“Mending Nets: Northeaster”, 1976. Signed, dated, titled and numbered 108/300 in pencil lower margin.Color screenprint, 24” x 17.75”

METAL: Iron and 18k Gold. GEMSTONES: Diamonds. MEASUREMENTS: Inner size of the bracelet is 66mm x 58mm. MARKED: Flynn Iron 18k. WEIGHT: 26.5 grams. Retail $2340. Gemstones have not been graded for col

Very Early Curta Type I Miniature Calculator, 1948 No. 3957, four basic operations, stepped-drum calculator, by Curt Herzstark, 8, 6 and 11 digits, with the notable features of early models: round se

Cutaway Model of a Dactyle Calculator, c. 1900 Machine à Calculer Dactyle - Paris. No. 70, working condition. Schnittmodell einer Dactyle-Rechenmaschine, um 1900 Machine à Calculer Dactyl

Tim Hawkinson - Mixed Media, 'Calculator Clock' Date: 2001 Dimensions: Dimensions: 10.25 x 4 x 4 in Condition: Artwork in very good condition (Please see terms & conditions for more important informat

198. TIPPCO LITTLE CALCULATOR BOY TOY | Germany, wind-up. | 7.5" h. | (Pristine Condition) | $600 - $1,200

ANTIQUE CALCULATOR, SLIDE RULE CYLINDER *FULLERS SLIDE RULE* K & S IN FITTED BOX W/LOCK & KEYS, APPROXIMATELY 18 IN X 5 IN X 4 IN, #495

HEUER - a gentleman's Calculator chronograph bracelet watch. Stainless steel case with calibrated bezel. Signed automatic calibre 12. Dark blue dial with baton hour markers, subsidiary recorder dials

Curta Model II Calculator, Liechtenstein, July 1970, serial number 529305, in black and grey, in original black plastic case, with original instructions and 'Computing Examples for the Curta Calculati

Curta Type II Calculator, 1956 Curt Herzstark, Vienna and Liechtenstein. Serial no. 509282, four-species miniature calculating machine, with 11, 8 and 15 digits, with original tin case, working. The s