Marchant




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			*Marchant*

	The first calculators from Marchant Calculating Machine Company, of Oakland, Clifornia, U.S.A., in 1911 were pin-wheel rotary types. Marchant put in a lot of development works into the later models of the keyboard type, which culminated in very fast electrically driven versions capable of automatically deriving square roots. In 1958 Marchant merged with the Smith Corona Typewriter Company to form Smith Corona Marchant (SCM), and In 1963 the calculator manufacture transfered to Orangeburg South Carolina. In the early 1970s SCM started marketing electronic calculators made by other companies, but soon started their own manufacture, especially the "Cogito" models. In about 1973, SCM was another casualty of the dramatic drop in prices of calculators and exited the calculator market. See the article "Notes on Monroe and Marchant Calculators" in the Collecting Calculators section of this site. Examples of Marchant calculators


	An early keyboard model Marchant hand-operated calculator.


	An electrically driven Marchant 8CM mechanical calculator from the 1960s.


	A very stylish, simple, 10-key add-lister from SCM, dating from the 1960s to early 1970s.


	Below are lists of serial numbers of Marchant calculators manufactured between 1934 and 1957 (kindly supplied by Ron Ames, who worked for Monroe and SCM from 1966 to 1977).

Serial numbers of Marchant Silent Speed calculators by year and model. The "M" in the serial number means thousands, so for example 104M refers to serial numbers 104,000 to 104,999 (though not all of the series may have been used). Models other than plain D's or M's indicated by prefixes.
Year	10M		8M		10D	8D
1934					100M		101M
1935	104M		107M		103M 110M	102M 105M	114M
1936	106M 108M	109M	112M		120M	117M
1937	111M 115M	116M 122M	113M 118M	119M	124M	121M 123M	125M
1938	126M CT 1265M		127M			128M 129M
1939	CT 131M 134M CT 135M	CT 136M 137M	133M 1355M		CT 130M	132M 1345M	138M
1940	CT 139M 142M	CT 143M	CR 141M CR 145M			140M 144M
1941	CT 146M ACR 149M	ACR 152M	CR 148M CR 151M 154M	CR 155M 156M 158M	157M	147M 150M 153M
1942	ACR 159M ACT 163M ACT 166M	ACT 169M	ACR 161M ACR 165M	ACR 167M ACR 171M	ACR 164M 168M	160M ACR 162M	170M ACR 172M
1943	ACT 173M ACT 177M	ACT 180M	ACR 174M ACR 178M	ACR 181M	175M	ACR 176M ACR 179M
1944	ACT 182M ACT 186M ACT 189M		ACR 183M ACR 187M ACR 190M		ACR 184M	ACR 185M ACR 188M	ACR 191M
1945	ACT 194M ACT 196M	ACT 198M ACT 203M	ACR 193M ACR 195M ACR 197M	ACR 199M ACR 201M ACR 205M	ACR 202M	ACR 192M ACR 200M ACR 204M
1946	ACT 206M ACT 209M ACT 212M ACT 216M	ACT 219M ACT 221M ACT 225M	ACR 207M ACR 208M ACR 210M ACR 213M ACR 215M	ACR 217M ACR 220M ACR 223M ACR 226M	ACR 224M	ACR 211M ACR 214M ACR 218M	ACR 222M ACR 227M
1947	ACT 229M ACT 232M ACT 235M	ACT 238M ACT 240M ACT 243M	ACR 228M ACR 231M ACR 233M ACR 236M	ACR 239M ACR 242M ACR 244M		ACR 230M ACR 234M ACR 237M	ACR 241M ACR 245M
1948	ACT 246M ACT 251M ACT 253M ACT 256M ACT 259M	ACT 264M ACT 266M ACT 270M ACT 272M	ACR 247M ACR 250M ACR 254M ACR 257M ACR 260M	ACR 262M ACR 265M ACR 267M ACR 269M ACR 273M	ACR 249M ACR 271M	ACR 248M ACR 252M ACR 255M ACR 258M	ACR 261M ACR 263M ACR 268M

Serial numbers of Marchant Figuremaster, Figurmatic, and Semi-Automatic calculators by year and model.
Year	Figuremaster				Figurematic			Semi-Automatic
Year	10-Bank		8-Bank		10-Bank	8-Bank		10-Bank	8-Bank
1948	FA 285M	FA 286M	FA 280M	FA 281M				SD 299M	SD 290M
1949	FA 287M FA 289M FA 308M AFA310M	FA 288M FA 307M FA 309M FA 311M	FA 282M FA 284M FA 301M FA 303M	FA 283M FA 300M FA 302M		DX 312M			SD 291M SD 292M SD 203M SD 294M SD 295M SD 296M
1950	FA 313M FA 318M FA 324M FA 330M	FA 315M FA 321M EFA 325M FA 334M	FA 304M FA 306M EFA 332M	FA 305M FA 317M FA 336M	SDX 320M SDX 335M	SDX 314M SDX 316M SDX 328M		SD 323M	SD 297M TD 338M
1951	EFA 326M EFA 327M EFA 331M EFA 351M EFA 357M EFA 363M EFA 369M EFA 374M EFA 379M EFA 383M	EFA 334M EFA 346M EFA 348M EFA 354M EFA 361M EFA 366M EFA 372M EFA 376M EFA 381M	EFA 333M EFA 345M EFA 355M EFA 365M EFA 375M	EFA 339M EFA 352M EFA 358M EFA 368M EFA 378M	SDX 343M SDX 360M SDX 371M	SDX 424M SDX 349M SDX 353M SDX 359M SDX 364M SDX 370M	SDX 347M SDX 350M SDX 356M SDX 362M SDX 367M SDX 377M	TDR 341M	SD 297M TD 338M
1952	EFA 385M EFA 389M EFA 392M ABFA402M	EFA 387M AFA 400M EFA 395M	EFA 380M EFA 388M EFA 394M	EFA 384M EFA 390M	SDX 393M DRX 401M DRX 406M DRX 408M	DRX 398M DRX 405M DRX 409M DRX 413M DRX 416M DRX 420M	DRX 403M DRX 407M DRX 411M SDRX415 M DRX 418M DRX 422M	DR 397M	DR 396M DR 399M
1953	EFA 417M EFA 439M ABFA447M ABFA435M		EFA 414M EFA 437M	EFA 425M	DRX 412M ADX 430M ADX 443M ADX 445M	ADX 419M ADX 423M DRX 426M DRX 428M DRX 431M DRX 434M DRX 438M ADX 442M ADX 448M	ADX 421M DRX 424M DRX 429M ADX 433M DRX 436M DRX 440M ADX 444M ADX 450M		DR 410M TD 441M TD 446M
1954	EFA 461M EFA 467M ABFA469M EFA 471M ABFA472M		EFA 465M		ADX 449M ADX 451M ADX 453M ADX 459M ADX 463M	ADX 452M ADX 456M ADX 460M ADX 464M ADX 468M ADX 473M	ADX 454M ADX 458M ADX 462M ADX 466M ADX 470M	TD 457M	DE 455M

Serial numbers of Marchant Deci. Magic, Figurmaster, Figurmatic, and Bar Type calculators by year and model.
Year	Figuremaster			Figurematic			Bar Type
Year	10-Bank		8-Bank	10-Bank	8-Bank		10-Bank	8-Bank
1955	EFA 474 EFA 488 EFA 494 SKA 386	ABFA 484 ABFA 492	EFA 482	ADX 476 ADX 480 ADX 486 ADX 490	RX 391 ADX 475 ADX 477 DX 478 ADX 479 ADX 481 ADX 483 ADX 485 ADX 487	RX 382 ADX 489 ADX 491 ADX 493 ADX 495 DX 496 ASX 497 ADX 499
1956	ABFA 498 ABFA 508 ABFA 514 ABFA 524	EFA 500 EFA 512 EFA 516 EFA 526	EFA 504 EFA 518 EFA 521	CXX 404 ADX 509 ADX 519 CXX 520 ADX 529	ADX 501 ADX 503 ADX 505 ADX 507 DX 510	ADX 511 ADX 513 ADX 515 ADX 517 ADX 523 ADX 525		TD 506 DX 522
1957	EFA 528 EFA 538 SKA 542 SKA 432 SKA 427	ABFA 530 ABFA 540 EFA 545 ABFA 547	EFA 543	ADX 536 ADX 539 ADX 546	ADX 527 ADX 531 ADX 533 DX 534 ADX 535	ADX 537 ADX 541 ADX 544 ADX 548	TD 532 DCR 550	DCR 551

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	© Text & photographs copyright Nigel Tout 2000-2008 except where noted otherwise.