WW1 US NAVY USS H-9 SUBMARINER’S ID’d SEMAPHORE / MORSE CODE POCKET CALCULATOR. WW1 US NAVY USS H-9 SUBMARINER’S ID’d SEMAPHORE / MORSE CODE (2 SIDED) POCKET CALCULATOR. INCLUDING ITS ORIGINAL PACKING ENVELOPE FROM 1918. USS H-9 (SS-152) was a H-class submarine. Originally built for the Imperial Russian Navy during World War One starting in June 1918. Six of these were “not delivered” pending the. Outcome of the Russian Revolution of 1917. Navy on 20 May 1918. THE CALCULATOR AND ITS ORIGINAL PACKING ENVELOPE ARE PERIOD ID’d. BISCHOFF E1c (R) U. S. N. R. BISCHOFF ELECTRICIAN 1ST CLASS (RESERVES) UNITED STATES NAVAL RESERVE FORCES. INTERNATIONAL MORSE CODE – POCKET SIGNAL DISK. DESIGNED FOR THE US ARMY / NAVY / USMC BY CLAPP L. AND MANUFACTURED BY STANDARD NOVELTY Co. COPYRIGHTED IN 1914 BY L. CLAPP (THE BEGINNING OF THE HOSTILITY’S IN EUROPE). USING COLOR ILLUSTRATIONS OF WW1 U. ARMY SOLDIERS AND WW1 US MARINE MARINES. THE CALCULATOR WAS DESIGNED TO SHOW THE APPROPRIATE SEMAPHORE FLAG AND POSITION TO THE LETTERS OF THE OTHER WHEEL. THE OTHER WHEEL WAS DESIGNED TO SHOW THE INTERNATIONAL MORSE CODE SYMBOLS WITH THE APPROPRIATE LETTERS. CALCULATOR – IS EXTREMELY FINE RETAINING ITS BRIGHT COLORS WITH NO USE FROM ITS 107+ YEARS. PACKING ENVELOPE – IS VERY FINE WITH SOME PRO-ACTIVE RESTORATION USING CLEAR TAPE TO MITIGATE ANY FURTHER DEGRADATION ALONG WITH MODERATE USE FROM ITS 107+ YEARS. CALCULATOR DIMENSIONS: 3 3/16″ x 5 3/4″. PACKING ENVELOPE DIMENSIONS (CLOSED): 3 3/8″ x 6″. CALCULATOR – MEDIUM WEIGHT PAPER BOARD. PACKING ENVELOPE – BROWN KRAFT TEXT WEIGHT. CALCULATOR – MULTI COLOR PRINTED (2 SIDES). PACKING ENVELOPE – GREEN COLOR PRINTED (1 SIDE). THESE ARE NOT REPRODUCTIONS OR A COPIES.