Document Details Planatarium [The?] of Giovanni de Dondi, Citizen of Padua:
Number of documents found: 28
- Title: 1980 Price Indicator
SubTitle: American Pocket Watch - Author: Roy Ehrhardt
- Publisher:
Other Keywords: priceguide
ISBN: 0 913902 32 2
Language: ENG
Notes: price guide for American Pocket watches
Edition: 1980 -- Copyright: 1980
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 112 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2624- Title: American Pocket and Wrist Watch Balance Staff Interchangeability List
- Author: George E. Townsend, Oran S. Emrich, Roy Ehrhardt
- Publisher:
Keywords: reference balancewheel practical
Other Keywords: staff
Language: ENG
Notes: Interchangeability information for watch balance staffs in American made watches with precise dimesnions for 100s of different balance wheen staffs.
Edition: 1984 -- Copyright: 1984
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Repair
Organization: NA/other
Pages: 36 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: FMM
BHM No: 10596- Title: American Pocket Watches Volume 1
SubTitle: Encyclopedia and Price Guide - Boston, Nashua, Aurora, Hampten, New York, Columbus, South Bend, Seth Thomas, American Waltham- Author: Roy Ehrhardt
- Publisher:
Keywords: watch
Other Keywords: price guide
ISBN: 0 913902 33 0
Language: ENG
Edition: 1982 -- Copyright: 1982
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 218 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 16995- Title: American Pocket Watches Volume 2
SubTitle: Illinois Watch Co. - Encyclopedia and Guide- Author: (Bill) William Meggers, Roy Ehrhardt
- Publisher:
Keywords: reference
Other Keywords: Illinois calibers serials
Language: ENG
Notes: Illustrated reference book, calibers, serial numbers etc on Illinois pocket watches
Edition: 1985, 1st printing -- Copyright: 1985
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Identifying
Organization: NA/other
Pages: 432 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 3653- Title: American Railroad Watches
- Author: George E. Townsend, Roy Ehrhardt
- Publisher:
Keywords: valuating
Other Keywords: railroad
Language: ENG
Notes: Townsend original 1977 publication expanded by Erhard price data
Edition: 1994 -- Copyright: 1977
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Identifying
Organization: NA/other
Pages: 74 -- Height in cm: 28
Print Status: 1 (1 means in print - 2 means out of print)
BHM No: 1793- Title: Character Wrist Watch Price Guide
SubTitle: Vintage American & European, Book 3- Author: David A. Mycko, Roy Ehrhardt
- Publisher:
Keywords: valuating
Other Keywords: priceguide character comic
ISBN: 0 913902 57 8
Language: ENG
Notes: priceguide to comic book and character wristwatches
Edition: 1989, ist edition -- Copyright: 1989
Kind: Book
Type: Wrist Watch
Geographic area: Global
Topic: Identifying
Organization: NA/other
Pages: 224 -- Height in cm: 23
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 1776- Title: Clock Book 3 Identification and Price Guide
- Author: Roy Ehrhardt, Red Rabeneck
- Publisher:
Keywords: identifying
ISBN: 0 913902 50 2
Language: ENG
Notes: identification and price guide for clocks found in USA 1987
Edition: 1987, second printing -- Copyright: 1983
Kind: Book
Type: Clock (general)
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 224 -- Height in cm: 28
Print Status: 1 (1 means in print - 2 means out of print)
BHM No: 1817- Title: Clock Identification and Price Guide Book 1
- Author: Roy Ehrhardt, Lalvern Rabeneck
- Publisher:
Keywords: identifying
ISBN: 0 913902 23 2
Language: ENG
Notes: price guide for (mailnly USA branded) clocks
Edition: 1979 edition -- Copyright: 1977
Kind: Book
Type: Clock (general)
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 218 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2746- Title: Elgin Watch Company Grade and Serial Numbers [bound with]
SubTitle: Production Figures with Grade and Serial Numbers and Price Guide to Hamilton Watch Co. AND Rockford- Author: Roy Ehrhardt
- Publisher:
Other Keywords: Elgin Hamilton Rockford serials
ISBN: 0 913902 09 8
Language: ENG
Notes: Ring binder with identification guides for Elgin, Hamilton and Rockford Watches (originally 3 separate publications)
Edition: 1976, 2nd printing -- Copyright: 1976
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Identifying
Organization: Brand
Pages: 238 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 3646- Title: Elgin Watch Company Identification and Price Guide Book 1
- Author: Roy Ehrhardt
- Publisher:
Keywords: valuating
Other Keywords: Elgin
Language: ENG
Notes: price guide and identification for Elgin Watches
Edition: 1976 -- Copyright: 1976
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Identifying
Organization: Brand
Pages: 120 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2471- Title: Foreign Clock Book 4 - Identification and Price Guide
- Author: Roy Ehrhardt
- Publisher:
Keywords: reference clock
Other Keywords: price guide
Language: ENG
Notes: American identification and price guide of European clocks, based on Photocopies of cutoutsd (and prices realized) of Henrys (Germany) Sales catalogues.
Edition: 1994, First edition -- Copyright: 1994
Kind: Book
Type: Clock (general)
Geographic area: Europe-general
Topic: Valuating
Organization: NA/other
Pages: 124 -- Height in cm: 128
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 15995- Title: Foreign Clock Book 5 - Identification and Price Guide
- Author: Roy Ehrhardt
- Publisher:
Keywords: reference clock
Language: ENG
Notes: A 'published' list of cut out illustrations and item descriptions with preauction estimates from auction catalogs (mostly from Henrys Germany)from the mid 1990s, unsorted
Edition: 1993, limited first edition -- Copyright: 1993
Kind: Book
Type: Clock (general)
Geographic area: Europe-general
Topic: Valuating
Organization: NA/other
Pages: 5 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 15996- Title: German Auction Prices Wristwatches
SubTitle: [A working scrapbook with photocopies with handwriiten prices realized , produced by Roy Erhard]- Author: Roy Ehrhardt
- Publisher:
Keywords: catalog watch
Other Keywords: Erhard scrapbook Germany prices realized Henry's
Language: GER
Notes: Scrapbook ringbinder with 188 pages (fotocopies, pages 1 and 2 missing) of pages from Henrys Auction catalogs Germany with prices realized annotations produced as a working aide for Roy Erhard, undated presumably late 1990s
Edition: UNDATED -- Copyright: 1990
Kind: Manuscript
Type: Wrist Watch
Geographic area: Germany
Topic: Valuating
Organization: Auction
Pages: 188 -- Height in cm: 29
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 12163- Title: Gruen Master Book
SubTitle: Identification and Price Guide - Reprint of the Pocket and Wristwatch Sections of the Master Gruen Factory Records Book- Author: Roy Ehrhardt
- Publisher:
Keywords: watch
Other Keywords: Gruen
Language: ENG
Notes: Spiralbound priceguide , plus grainy b&w postage stamp size photocopied images from the Gruen Book listing all casestyles.
Edition: 1993 ca. undated -- Copyright: 1993
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Valuating
Organization: Brand -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 14852- Title: Hamilton Serial Numbers and Production Figures with Price Guide [January 1976, 2nd edition]
SubTitle: [includes 6 p. of fasimile excerpts of Hamilton catalog 1949 and 4 page excerpys from TM 9-1575, Ordinance maintenance-Wristwaqtches]- Author: Roy Ehrhardt
- Publisher:
Keywords: reference watch
Other Keywords: Hamilton
ISBN: 9 913902-12-8
Language: ENG
Notes: includes 6 p. of fasimile excerpts of Hamilton catalog 1949 and 4 page excerpys from TM 9-1575, Ordinance maintenance-Wristwatches
Edition: 1976, January, 2nd edition -- Copyright: 1976
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: NA/Other
Organization: Brand
Pages: 64 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 17010- Title: Illinois Watch Company Springfield, Identification and Price Guide Book 1
- Author: Roy Ehrhardt
- Publisher:
Keywords: valuating
Other Keywords: Illinois
Language: ENG
Notes: price guide and identification for Illinois Watches
Edition: 1976 -- Copyright: 1976
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Identifying
Organization: NA/other
Pages: 136 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2472- Title: Modern Wrist Watch Price Guide - Retail Prices
- Author: Roy Ehrhardt, Sherry Ehrhardt, Joe DeMesy
- Publisher:
Other Keywords: priceguide
Language: ENG
Notes: 1991 USA wristwatch identification and price guide
Edition: 1991 -- Copyright: 1991
Kind: Book
Type: Wrist Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 116 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 7055- Title: Officail Price Guide to Antique Clocks [The...]- Third edition
SubTitle: The Ultimate HAndbook for Buyers and Sellers- Author: Roy Ehrhardt
- Publisher:
Keywords: reference
Language: ENG
Notes: American identification and grice guide to used clocks - 3rd edition
Edition: 1985 -- Copyright: 1985
Kind: Book
Type: Clock (general)
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 550 -- Height in cm: 21
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: FMM
BHM No: 8927- Title: Official [The?] 1983 Priceguide to Antique clocks
- Author: Roy Ehrhardt, Thomas E. Hudgeons
- Publisher:
ISBN: 0 87637 364 3
Language: ENG
Notes: massive price guide for (mailnly USA branded) clocks
Edition: 1982, 1st edition -- Copyright: 1982
Kind: Book
Type: Clock (general)
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 568 -- Height in cm: 20
Print Status: 1 (1 means in print - 2 means out of print)
BHM No: 1783- Title: Patek Philippe - Price Guide Book 92
- Author: Roy Ehrhardt, Joe DeMesy
- Publisher:
Other Keywords: priceguide Patek
Language: ENG
Notes: Price list update of Patek Watches for 1992
Edition: 1992 -- Copyright: 1992
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Valuating
Organization: Brand
Pages: 116 -- Height in cm: 22
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2387- Title: Patek Philippe - Wristwatches Pocketwatches Clocks
SubTitle: Identification and Price Guide - Retail; and Vintage Prices - Book 1- Author: Roy Ehrhardt, Joe DeMesy
- Publisher:
Keywords: valuating
Other Keywords: Patek
ISBN: 0 913902 60 8
Language: ENG
Notes: Illustrated reference book and price guide on Patek Philippe watches from the USA
Edition: 1991, 1ST EDITION -- Copyright: 1991
Kind: Book
Type: Watch (general)
Geographic area: Switzerland
Topic: Identifying
Organization: Brand
Pages: 446 -- Height in cm: 23
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 3345- Title: Price Guide to Col. George E. Townsend's 4 book on American Pocketwatches
- Author: Roy Ehrhardt
- Publisher:
Other Keywords: RAILROAD
ISBN: 0 913902 47 0
Language: ENG
Notes: Price guide 1983 for the 1977 book by Townsend on hih grade US pocketwatchesb
Edition: 1983 -- Copyright: 1982
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 36 -- Height in cm: 21
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 6420- Title: Production Figures with Grade and Serial Numbers - Hamilton Watch Co.
SubTitle: Identification and Price Guide- Author: Roy Ehrhardt
- Publisher:
Other Keywords: valuating serial numbers Hamilton grades
Language: ENG
Notes: identification Price and Serial number guidebook for Hamilton pocket watches (1981 edition)
Edition: 1981 revised edition -- Copyright: 1976
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Identifying
Organization: Brand
Pages: 64 -- Height in cm: 28
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: FMM
BHM No: 11381- Title: Railroad Watches - Identification and Price Guide
- Author: Roy Ehrhardt, (Bill) William Meggers
- Publisher:
Keywords: valuating
Other Keywords: railroad priceguide
ISBN: 0 913902 88 8
Language: ENG
Notes: Illustrated reference book on Railroad type pocket watches from the USA
Edition: 1995 -- Copyright: 1995
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Identifying
Organization: NA/other
Pages: 220 -- Height in cm: 28
Print Status: 1 (1 means in print - 2 means out of print)
BHM No: 3340- Title: Trademarks - Watch Cases, Pocket Watches, Precious Stones, Diamonds
SubTitle: [Second Printing Fall 1976]- Author: Roy Ehrhardt
- Publisher:
Keywords: watch case
ISBN: 0 913902 06 3
Language: ENG
Notes: Combbound valuation trademark and brandname guide for pocket watches and cases
Edition: 1976 second printing -- Copyright: 1976
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 127 -- Height in cm: 27
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 17891- Title: Vintage American & European Wrist Watch Price Guide - Special Edition - Book 5
SubTitle: [1990]- Author: Sherry Ehrhardt, Roy Ehrhardt, Joe DeMesy
- Publisher:
Other Keywords: priceguide
ISBN: 0 913902 55 1
Language: ENG
Notes: expanded edition 1990 of Erhardts Wrist Watch guidebook published 1984
Edition: 1990 -- Copyright: 1990
Kind: Book
Type: Wrist Watch
Geographic area: USA
Topic: Valuating
Organization: NA/other
Pages: 80 -- Height in cm: 21
Print Status: 2 (1 means in print - 2 means out of print)
BHM No: 2736- Title: Waltham Pocket Watch Identification and Price Guide [1976] - Using Serial Numbers and Pictures of Waltham Watch Movements
SubTitle: [First Edition Printed January 1976]- Author: Roy Ehrhardt
- Publisher:
Keywords: catalog watch
Other Keywords: priceguide Waltham
Language: ENG
Notes: Identification and Price Guide for Waltham pocket watches, 976 edition
Edition: 1976, 1st Edition
Kind: Book
Type: Pocket Watch
Geographic area: USA
Topic: Collecting
Organization: NA/other
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: fortunat
BHM No: 16486- Title: Watch [The] that made the Dollar famous
SubTitle: Encyclopedia of Dollar Watches- Author: George E. Townsend, Roy Ehrhardt, Ralph Whitmer
- Publisher:
Keywords: history
Other Keywords: dollar
Language: ENG
Notes: overview and identification guide to American dollar watches, signed by Author
Edition: 1994, enlarged edition -- Copyright: 1974
Kind: Book
Type: Watch (general)
Geographic area: USA
Topic: Identifying
Organization: NA/other
Pages: 124 -- Height in cm: 28
Print Status: 1 (1 means in print - 2 means out of print)
BHM No: 2380 - Publisher:
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